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Kenichi Kawase patents

Recent patents with Kenichi Kawase listed as an inventor - additional entries may be under other spellings.


Kenichi Kawase - Related organizations: Sony Corporation patents

Active material for rechargeable battery, rechargeable battery, and electronic apparatus

03/02/17 - 20170062814 - A rechargeable battery including: a positive electrode; a negative electrode including active material; and an electrolytic solution, in which the active material is capable of occluding and releasing lithium ions and includes Si and O as constituent elements, and an atomic ratio (Si/(Si+O)) of Si with respect to Si and
Inventors: Takakazu Hirose, Kenichi Kawase, Shinji Tanaka, Takashi Fujinaga, Akira Takamuku

Negative electrode and secondary battery

01/26/17 - 20170025668 - where A represents a sum of integrated area of a first peak and integrated area of a side band peak of the first peak, the first peak indicating a chemical shift in a range of −1 ppm or more and 25 ppm or less with respect to a reference position
Inventors: Kensuke Yamamoto, Koh-ichi Suzuki, Kenichi Kawase, Akinori Kita

Anode and battery

12/15/16 - 20160365610 - A battery including a cathode, an anode, and an electrolytic solution. The electrolytic solution is impregnated in a separator provided between the cathode and the anode. The anode has an insulative coat on an anode active material layer provided on an anode current collector. The coat contains an insulating material
Inventors: Takayuki Fujii, Kenichi Kawase, Hideki Nakai, Rikako Imoto, Kensuke Yamamoto

Method of manufacturing anode active material with oxide coating on active particles

10/20/16 - 20160308201 - An anode in which an anode active material layer is arranged on an anode current collector. The anode active material layer includes anode active material particles made of an anode active material including at least one of silicon and tin as an element. An oxide-containing film including an oxide of
Inventors: Hiroyuki Yamaguchi, Hiroshi Horiuchi, Kenichi Kawase, Tadahiko Kubota, Hideki Nakai, Takakazu Hirose

Current collector, negative electrode and battery

06/30/16 - 20160190633 - A current collector including a first principal plane and a second principal plane. In the current collector, the roughness of the first principal plane and second principal plane being mutually different.
Inventors: Kenichi Kawase, Lsamu Konishiike, Tomoo Takada, Masayuki Lwama, Nozomu Morita, Yoshikazu Kato

Anode and battery

05/12/16 - 20160133941 - The invention provides an anode capable of improving battery characteristics such as cycle characteristics and a battery using it. An anode current collector is provided with an anode active material layer. The anode active material layer contains at least one from the group consisting of simple substances, alloys, and compounds
Inventors: Isamu Konishiike, Takeru Yamamoto, Tomoo Takada, Kenichi Kawase, Yukio Miyaki

Lithium ion secondary battery, electric tool, electric vehicle, and power storage system

05/12/16 - 20160133923 - A lithium ion secondary battery includes a positive electrode, a negative electrode, and an electrolytic solution. The positive electrode contains a lithium composite oxide. The negative electrode contains a material including at least one of silicon Si and tin Sn as a constituent element. The lithium composite oxide includes lithium
Inventors: Akira Takamuku, Kazuaki Endoh, Masaharu Senoue, Guohua Li, Yosuke Hosoya, Kenichi Kawase

Battery, negative electrode active material, and electric tool

04/14/16 - 20160104884 - A battery is provided including a positive electrode; a negative electrode including a first negative electrode active material; and an electrolytic solution, wherein the first negative electrode active material includes a core portion having a core portion surface, wherein the core portion has a median diameter of 0.3 μm to
Inventors: Takakazu Hirose, Kenichi Kawase, Takashi Fujinaga, Isao Koizumi, Toshio Nishi

Anode and secondary battery with anode material with pore group with low volumetric capacity

03/10/16 - 20160072126 - A battery capable of improving cycle characteristics is provided. An anode includes: an anode current collector, and an anode active material layer arranged on the anode current collector, in which the anode active material layer includes an anode active material including silicon (Si), and including a pore group with a
Inventors: Takakazu Hirose, Kenichi Kawase, Isamu Konishiike, Shunsuke Kurasawa, Masayuki Iwama, Koichi Matsumoto

Anode and battery

12/03/15 - 20150349340 - An anode capable of preventing expansion of an anode active material layer and a battery using it are provided. The anode includes an anode current collector, and an anode active material layer containing silicon (Si) as an element, wherein the anode active material layer therein contains at least one selected
Inventors: Takakazu Hirose, Kenichi Kawase, Isamu Konishiike, Masayuki Iwama

Battery, negative electrode active material, and electric tool

09/17/15 - 20150263344 - A battery is provided including a positive electrode; a negative electrode including a first negative electrode active material; and an electrolytic solution, wherein the first negative electrode active material includes a core portion having a core portion surface, wherein the core portion has a median diameter of 0.3 μm to
Inventors: Takakazu Hirose, Kenichi Kawase, Takashi Fujinaga, Isao Koizumi, Toshio Nishi

Anode active material and battery

04/02/15 - 20150093642 - Anode active materials, anodes, and batteries are provided. In one embodiment, an anode active material includes particles consisting essentially of a material selected from the group consisting of silicon and an alloy of silicon. An average degree of circularity of the particles is 90% or less.
Inventors: Kenichi Kawase, Tomoo Takada, Kensuke Yamamoto

Anode and method of manufacturing the same, and battery and method of manufacturing the same

03/26/15 - 20150086879 - An anode in which an anode active material layer is arranged on an anode current collector. The anode active material layer includes anode active material particles made of an anode active material including at least one of silicon and tin as an element. An oxide-containing film including an oxide of
Inventors: Hiroyuki Yamaguchi, Hiroshi Horiuchi, Kenichi Kawase, Tadahiko Kubota, Hideki Nakai, Takakazu Hirose

Anode and battery

03/19/15 - 20150079468 - A battery including a cathode, an anode, and an electrolytic solution. The electrolytic solution is impregnated in a separator provided between the cathode and the anode. The anode has a coat on an anode active material layer provided on an anode current collector. The coat contains a fluorine resin. A
Inventors: Takakazu Hirose, Hideki Nakai, Kenichi Kawase, Hiroyuki Yamaguchi, Tadahiko Kubota

Secondary battery-use active material, secondary battery, and electronic apparatus

11/27/14 - 20140349187 - A secondary battery capable of obtaining superior battery characteristics is provided. The secondary battery of the present technology includes a cathode, an anode including an active material, and an electrolytic solution. The active material includes a core section and covering section, the core section being capable of inserting and extracting
Inventors: Takakazu Hirose, Kenichi Kawase, Norihiro Shimoi, Shinji Tanaka

Anode and secondary battery

10/02/14 - 20140295270 - A secondary battery capable of improving cycle characteristics is provided. An anode includes: an anode active material layer on an anode current collector, the anode active material layer including a plurality of anode active material particles, in which the average particle area of the plurality of anode active material particles
Inventors: Momoe Adachi, Shunsuke Kurasawa, Isamu Konishiike, Kenichi Kawase

Secondary battery

10/02/14 - 20140295263 - A secondary battery includes: a cathode and an anode that are opposed to each other with a separator in between; and an electrolytic solution, wherein the cathode includes a cathode current collector and a cathode active material layer provided between the cathode current collector and the separator, the anode includes
Inventors: Masayuki Iwama, Kaoru Abe, Keiichi Kagami, Kenichi Kawase, Tomoo Takada

Anode and battery

06/12/14 - 20140162120 - A battery including a cathode, an anode, and an electrolytic solution. The electrolytic solution is impregnated in a separator provided between the cathode and the anode. The anode has an insulative coat on an anode active material layer provided on an anode current collector. The coat contains an insulating material
Inventors: Takayuki Fujii, Kenichi Kawase, Hideki Nakai, Rikako Imoto, Kensuke Yamamoto

Anode for secondary battery, secondary battery, and method of manufacturing anode for secondary battery

06/05/14 - 20140154566 - An anode for a secondary battery capable of improving cycle characteristics, a secondary battery using the anode, and a method of manufacturing an anode for secondary battery. An anode active material layer is formed by vapor phase deposition method, and contains Si as an element. In the anode active material
Inventors: Takakazu Hirose, Isamu Konishiike, Kenichi Kawase

Battery, positive electrode active material, positive electrode, method for manufacturing positive electrode active material, battery pack, electronic device, electric vehicle, power storage device, and power system

04/24/14 - 20140114519 - There is provided a battery including a positive electrode, a negative electrode, and an electrolyte. The positive electrode includes a positive electrode active material layer, on at least one surface of a positive electrode current collector, including a binder and a positive electrode active material of a deoxidized lithium transition
Inventors: Masayuki Iwama, Kaoru Abe, Keiichi Kagami, Tomoo Takada, Kenichi Kawase

Secondary battery, method of manufacturing the same, battery pack, and electric vehicle

03/06/14 - 20140065450 - A secondary battery includes: a cathode; an anode; and an electrolytic solution, wherein the anode includes an anode active material layer, the anode active material layer being provided on part of an anode current collector, and a breaking elongation δ2 (percent) of the anode current collector in a second region
Inventors: Masaharu Senoue, Masayuki Iwama, Kenichi Kawase

Active material for rechargeable battery, rechargeable battery, and electronic apparatus

06/20/13 - 20130157127 - A rechargeable battery including: a positive electrode; a negative electrode including active material; and an electrolytic solution, in which the active material is capable of occluding and releasing lithium ions and includes Si and O as constituent elements, and an atomic ratio (Si/(Si+O)) of Si with respect to Si and
Inventors: Takakazu Hirose, Kenichi Kawase, Shinji Tanaka, Takashi Fujinaga, Akira Takamuku

Lithium ion secondary battery, lithium ion secondary battery negative electrode, battery pack, electric vehicle, electricity storage system, power tool, and electronic apparatus

12/27/12 - 20120328945 - A lithium ion secondary battery is provided with a positive electrode, a negative electrode containing an active material, and an electrolytic solution, wherein the active material includes a core portion capable of occluding and releasing lithium ions, an amorphous or low-crystalline coating portion disposed on at least a part of
Inventors: Takakazu Hirose, Takashi Fujinaga, Isao Koizumi, Norihiro Shimoi, Kenichi Kawase

Lithium-ion secondary battery, negative electrode for lithium-ion secondary battery, battery pack, electric vehicle, power storage system, electric tool, and electronic device

12/27/12 - 20120328915 - A lithium-ion secondary battery includes a positive electrode, a negative electrode containing an active material, and an electrolytic solution, in which the active material includes a core portion capable of occluding and releasing lithium ions, and a covering portion arranged on at least part of a surface of the core
Inventors: Takakazu Hirose, Kenichi Kawase, Takashi Fujinaga, Isao Koizumi, Toshio Nishi

Lithium-ion secondary battery, negative electrode for lithium-ion secondary battery, battery pack, electric vehicle, power storage system, electric tool, and electronic device

12/27/12 - 20120326500 - A lithium-ion secondary battery includes a positive electrode, a negative electrode containing an active material, and an electrolytic solution, in which the active material contains, as constituent elements, Si, O, and at least one element Ml selected from Li, C, Mg, Al, Ca, Ti, Cr, Mn, Fe, Co, Ni, Cu,
Inventors: Takakazu Hirose, Kenichi Kawase, Toshio Nishi, Isao Koizumi

Lithium ion secondary battery, electric tool, electric vehicle, and power storage system

11/29/12 - 20120301786 - A lithium ion secondary battery includes a positive electrode, a negative electrode, and an electrolytic solution. The positive electrode contains a lithium composite oxide. The negative electrode contains a material including at least one of silicon Si and tin Sn as a constituent element. The lithium composite oxide includes lithium
Inventors: Akira Takamuku, Kazuaki Endoh, Masaharu Senoue, Guohua Li, Yosuke Hosoya, Kenichi Kawase

Nonaqueous electrolyte battery, rolled electrode assembly collector, layer-built electrode assembly collector, and method for manufacturing nonaqueous electrolyte battery collector

10/25/12 - 20120268073 - A nonaqueous electrolyte battery provided with a rolled electrode assembly, in which a positive electrode including a positive electrode active material layer disposed on a positive electrode collector formed from metal foil and a negative electrode including a negative electrode active material layer disposed on a negative electrode collector formed
Inventors: Tokuhiro Morioka, Hitoshi Watanabe, Kaoru Abe, Akihisa Sakamoto, Takakazu Hirose, Kenichi Kawase

Cathode active material, its manufacturing method, cathode, its manufacturing method, and secondary battery

09/06/12 - 20120225350 - A secondary battery having a cathode, an anode, and an electrolyte is provided. The cathode includes a cathode active material containing at least one kind selected from the group consisting of sulfur S and phosphorus P in a portion near the particle surface of a lithium composite oxide. A content
Inventors: Masanori Soma, Atsumichi Kawashima, Masayuki Ihara, Hideki Nakai, Kenichi Kawase

Lithium ion secondary battery, positive electrode active material, positive electrode, electric tool, electric vehicle, and power storage system

06/28/12 - 20120164533 - wherein, M1 represents at least one selected from among elements of group 13 to group 15 in an extended periodic table of elements excluding boron B, or carbon C, or nitrogen N, M2 represents at least one selected from among elements of group 3 to group 12, and a, b,
Inventors: Masaharu Senoue, Kenichi Kawase, Takakazu Hirose, Masayuki Ihara

Lithium ion secondary battery, positive electrode active material, positive electrode, electric tool, electric vehicle, and power storage system

06/28/12 - 20120164532 - A lithium ion secondary battery includes a positive electrode, a negative electrode, and an electrolytic solution, wherein the positive electrode includes a first lithium composite oxide and a second lithium composite oxide expressed by the following equation (1), as a positive electrode active material, and a charge capacity (vs lithium
Inventors: Masaharu Senoue, Kenichi Kawase, Nozomu Morita, Kazuaki Endoh, Akira Takamuku, Yosuke Hosoya, Guohua Li

Lithium secondary battery, positive electrode active material, positive electrode, electric tool, electric vehicle, and power storage system

06/28/12 - 20120164525 - M1 is at least one kind of aluminum, magnesium, zirconium, titanium, barium Ba, boron, silicon Si, and iron, a satisfies 0<a<0.25, b satisfies 0.5≦b<0.7, c satisfies 0≦c<1−b, d satisfies 0.01≦d≦0.2, and e satisfies 0≦e≦1.
Inventors: Kazuaki Endoh, Akira Takamuku, Masaharu Senoue, Guohua Li, Kenichi Kawase, Yosuke Hosoya

Nonaqueous electrolyte battery

05/31/12 - 20120135285 - There is provided a nonaqueous electrolyte battery including a first electrode having a strip shape, a second electrode having a strip shape, a first electrode lead, a second electrode lead, a separator having a strip shape that is disposed between the first electrode and the second electrode, and a nonaqueous
Inventors: Masayuki Iwama, Kenichi Kawase, Tomoo Takada

Anode for lithium ion secondary battery, lithium ion secondary battery, electric tool, battery car, and electric power storage system

02/16/12 - 20120040242 - A lithium ion secondary battery having more superior cycle characteristics is provided. The lithium ion secondary battery includes a cathode, an anode, and an electrolyte. The anode has an anode active material layer in which a first layer containing silicon as an anode active material, and a second layer containing
Inventors: Shunsuke Kurasawa, Kenichi Kawase, Takashi Fujinaga

Anode for lithium ion secondary battery, lithium ion secondary battery, electric tool, battery car, and electric power storage system

08/11/11 - 20110192623 - A lithium ion secondary battery having superior cycle characteristic is provided. The lithium ion secondary battery includes a cathode, an anode and an electrolyte. The anode has an anode active material layer including a plurality of anode active material fibers containing silicon as an element provided on an anode current
Inventors: Takashi Fujinaga, Shunsuke Kurasawa, Momoe Adachi, Kenichi Kawase

Anode for lithium ion secondary battery, lithium ion secondary battery, electric power tool, electrical vehicle, and electric power storage system

08/11/11 - 20110192622 - There is provided an anode for a lithium ion secondary battery capable of improving the cycle characteristics, a lithium ion secondary battery using the same, an electric power tool using the lithium ion secondary battery, an electrical vehicle using the lithium ion secondary battery, and an electric power storage system
Inventors: Shunsuke Kurasawa, Takashi Fujinaga, Momoe Adachi, Kenichi Kawase

Lithium ion secondary battery and anode for lithium ion secondary battery

07/28/11 - 20110183207 - There is provided a lithium ion secondary battery including: a cathode; an anode: and an electrolytic solution. The anode has an anode active material layer on an anode current collector, the anode active material layer contains an anode active material having silicon (Si) as an element and a metal conductive
Inventors: Takakazu Hirose, Motoki Endo, Kenichi Kawase, Tadahiko Kubota

Lithium-ion secondary battery, anode for lithium-ion secondary battery, power tool, electric vehicle and energy storage system

06/30/11 - 20110159368 - A lithium-ion secondary battery allowed to improve cycle characteristics and initial charge-discharge characteristics is provided. The lithium-ion secondary battery includes a cathode; an anode; and an electrolytic solution. The anode includes an anode active material layer including a plurality of anode active material particles. The anode active material particles each
Inventors: Takakazu Hirose, Kenichi Kawase, Takashi Fujinaga, Masaharu Senoue, Motoki Endo, Masayuki Iwama

Anode and battery

06/23/11 - 20110151326 - An anode capable of relaxing the stress concentration and improving the characteristics and a battery using it are provided. The anode includes an anode current collector and an anode active material layer containing silicon (Si) as an element, wherein the anode active material layer has a metal element increasing and
Inventors: Takakazu Hirose, Masayuki Iwama, Koichi Matsumoto, Isamu Konishiike, Kenichi Kawase

Battery

06/16/11 - 20110143201 - A battery with more superior reliability is provided. The battery includes: a battery element in which a cathode having a cathode active material layer on a strip-shaped cathode current collector and an anode having an anode active material layer on a strip-shaped anode current collector are layered with a separator
Inventors: Tomoo Takada, Kenichi Kawase

Lithium-ion secondary battery, anode for lithium-ion secondary battery, power tool, electric vehicle and energy storage system

06/09/11 - 20110136008 - A lithium-ion secondary battery allowed to improve cycle characteristics and initial charge-discharge characteristics is provided. The lithium-ion secondary battery includes: a cathode; an anode including an anode active material layer; and an electrolytic solution. The anode active material layer includes an anode active material and an inorganic compound, and the

Anode and method of manufacturing the same, and battery and method of manufacturing the same

04/14/11 - 20110086269 - An anode in which an anode active material layer is arranged on an anode current collector. The anode active material layer includes anode active material particles made of an anode active material including at least one of silicon and tin as an element. An oxide-containing film including an oxide of

Rechargeable battery, anode, and current collector

09/16/10 - 20100233534 - A rechargeable battery including a cathode and an anode each capable of inserting and extracting an electrode reaction material, and including an electrolyte, in which the anode includes an anode current collector which is formed by including a current collector body. The anode current collector is provided thereon with an

Negative electrode and secondary battery

07/29/10 - 20100190062 - A represents a sum of integrated area of a first peak and integrated area of a side band peak of the first peak, the first peak indicating a chemical shift in a range of −1 ppm or more and 25 ppm or less with respect to a reference position where

Anode and secondary battery

06/24/10 - 20100159337 - A secondary battery is provided that is capable of improving the cycle characteristics. The secondary battery includes a cathode, an anode, and an electrolytic solution. The electrolytic solution is impregnated into a separator provided between the cathode and the anode. In the anode, an anode active material layer and a

Secondary battery and anode

05/20/10 - 20100124707 - A secondary battery capable of obtaining superior cycle characteristics and superior swollenness characteristics is provided. The secondary battery includes a cathode and an anode capable of inserting and extracting an electrode reactant; and an electrolyte containing a solvent and an electrolyte salt. The anode has an anode active material layer

Secondary battery and anode

05/20/10 - 20100124706 - A secondary battery capable of obtaining superior cycle characteristics and superior swollenness characteristics is provided. The secondary battery includes a cathode, an anode, and an electrolytic solution. The electrolytic solution is impregnated in a separator provided between the cathode and the anode. An anode active material layer contains a crystalline

Anode current collector, anode, and secondary battery

04/29/10 - 20100104951 - A secondary battery that has superior safety and is able to provide more favorable cycle characteristics is provided. A laminated body in which a cathode and an anode are layered with a separator impregnated with an electrolytic solution in between is contained in a package can and a package cup.

Secondary battery

04/22/10 - 20100099018 - A secondary battery capable of improving cycle characteristics, initial charge and discharge characteristics, and swollenness characteristics is provided. The secondary battery includes a cathode, an anode, and an electrolytic solution. The electrolytic solution is impregnated in a separator provided between the cathode and the anode. A cathode active material layer

Anode and secondary battery

04/15/10 - 20100092856 - A secondary battery capable of improving the cycle characteristics and the initial charge and discharge characteristics is provided. The secondary battery includes a cathode, an anode, and an electrolytic solution. The anode has an anode active material layer on an anode current collector. The anode active material layer contains a

Anode and secondary battery

12/24/09 - 20090317726 - A secondary battery capable of improving the cycle characteristics and the initial charge and discharge characteristics is provided. The secondary battery includes a cathode, an anode, and an electrolytic solution. The anode has an anode active material layer on an anode current collector. The anode active material layer contains a

Anode and secondary battery

12/17/09 - 20090311608 - A secondary battery capable of improving the cycle characteristics and the voltage retention characteristics is provided. The secondary battery includes a cathode, an anode, and an electrolyte. The anode includes an anode current collector, an anode active material layer formed on the anode current collector and including an anode active

Anode and secondary battery including the same

11/26/09 - 20090291371 - A secondary battery having high cycle characteristics is provided. The secondary battery includes a cathode, an anode, and an electrolyte. In the anode, an anode active material layer containing silicon, carbon, and oxygen as an anode active material is provided on an anode current collector. In the anode active material,

Anode and secondary battery

10/08/09 - 20090253033 - A secondary battery capable of improving the cycle characteristics and the swollenness characteristics is provided. The secondary battery includes a cathode, an anode, and an electrolytic solution. The anode includes an anode active material layer having a plurality of fine pores on an anode current collector. The anode active material

Anode and secondary battery

10/01/09 - 20090246628 - A secondary battery capable of improving cycle characteristics is provided. An anode includes: an anode active material layer on an anode current collector, the anode active material layer including a plurality of anode active material particles, in which the average particle area of the plurality of anode active material particles

Anode, method of manufacturing it, and battery

06/11/09 - 20090148778 - A battery having a high charge and discharge efficiency in which a spirally wound electrode body having a lamination structure of a cathode, an anode 80, and a separator is contained in a battery can. The anode has a structure in which an anode active material layer is provided on

Positive-electrode active material for lithium-ion secondary battery, positive electrode, manufacturing method thereof, and lithium-ion secondary battery

05/14/09 - 20090123851 - wherein M represents at least one element selected from the group consisting of boron B, magnesium Mg, aluminum Al, silicon Si, phosphorous P, sulfur S, titanium Ti, chromium Cr, manganese Mn, iron Fe, cobalt Co, nickel Ni, copper Cu, zinc Zn, gallium Ga, yttrium Y, zirconium Zr, molybdenum Mo, silver

Positive electrode for lithium-ion secondary battery, manufacturing method thereof, and lithium-ion secondary battery

05/14/09 - 20090123839 - A positive electrode for a lithium-ion secondary battery includes a positive-electrode mixture layer, which includes a positive-electrode active material containing lithium composite oxide, a conductive material, and a binder, and a current collector. The positive-electrode mixture layer contains a compound including sulfur and/or phosphorous, a first polymer serving as a

Anode active material, anode, and battery

04/30/09 - 20090111031 - A battery capable of improving the cycle characteristics is provided. The battery includes a cathode, an anode, and an electrolytic solution. The anode has an anode active material layer that contains an anode active material containing silicon on an anode current collector, and intensity ratio I1/I2 between peak intensity I1

Anode and battery

04/30/09 - 20090111019 - A battery capable of improving the cycle characteristics is provided. The battery includes a cathode, an anode, and an electrolytic solution. The electrolytic solution is impregnated in a separator provided between the cathode and the anode. The anode has a coat on an anode active material layer provided on an

Anode and battery

04/16/09 - 20090098458 - A battery capable of obtaining superior cycle characteristics and safety is provided. The battery includes a cathode, an anode, and an electrolytic solution. The electrolytic solution is impregnated in a separator provided between the cathode and the anode. The anode has an insulative coat on an anode active material layer

Anode and method of manufacturing the same, and battery and method of manufacturing the same

04/09/09 - 20090092892 - An anode capable of improving charge-discharge efficiency, and a method of manufacturing the anode, and a battery using the anode are provided. An anode 22 has a configuration in which an anode active material layer 22B is arranged on an anode current collector 22A. The anode active material layer 22B

Anode for secondary battery, method of manufacturing it, and secondary battery

03/12/09 - 20090068567 - An anode for secondary battery is provided with an anode active material layer containing silicon on an anode current collector. Silicon in the anode active material has an amorphous structure. In a Raman spectrum of silicon having the amorphous structure after an initial charge and discharge, 0.25≦LA/TO and/or 45≦LO/TO is

Current collector, anode, and battrey

03/05/09 - 20090061326 - A battery capable of improving the cycle characteristics is provided. A current collector containing copper (Cu), in which ratio I(200)/I(111) between intensity I (200) of a peak originated in (200) crystal plane of copper obtained by X-ray diffraction and intensity I (111) of a peak originated in (111) crystal plane

Evaporation apparatus, method of manufacturing anode using same, and method of manufacturing battery using same

03/05/09 - 20090061079 - An evaporation apparatus that is capable of stably forming a good quality thin film and is highly suitable for mass production is provided. The evaporation apparatus include an evaporation source discharging an evaporation material by heating, a retention member retaining an evaporation object, and a heat shield member that is

Anode and battery

02/05/09 - 20090035651 - A battery capable of improving cycle characteristics is provided. An anode includes: an anode active material layer including an anode active material on an anode current collector, the anode active material including silicon (Si) and having a plurality of pores, in which after electrode reaction, the volumetric capacity of a


### Kenichi Kawase patent invention listings

The bibliographic references displayed about Kenichi Kawase's patents are for a recent sample of Kenichi Kawase's publicly published patent applications. The inventor/author may have additional bibliographic citations listed at the USPTO.gov. FreshPatents.com is not associated or affiliated in any way with the author/inventor or the United States Patent/Trademark Office but is providing this non-comprehensive sample listing for educational and research purposes using public bibliographic data published and disseminated from the United States Patent/Trademark Office public datafeed. This information is also available for free on the USPTO.gov website. If Kenichi Kawase filed recent patent applications under another name, spelling or location then those applications could be listed on an alternate page. If no bibliographic references are listed here, it is possible there are no recent filings or there is a technical issue with the listing--in that case, we recommend doing a search on the USPTO.gov website.

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