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Include Electrolyte Chemically Specified And Method

Include Electrolyte Chemically Specified And Method patent applications listed include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.

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Chemistry: Electrical Current Producing Apparatus, Product, And Process


Current Producing Cell, Elements, Subcombinations And Compositions For Use Therewith And Adjuncts > Include Electrolyte Chemically Specified And Method



Method for manufacturing carbon-sulfur composite, carbon-sulfur composite manufactured thereby, and electrochemical device including the same
05/21/15 - 20150140420 - The present invention relates to a method for manufacturing a carbon-sulfur composite, a carbon-sulfur composite manufactured by the method, and an electrochemical device including the same. Since the carbon-sulfur composite manufactured by the carbon-sulfur composite manufacturing method of the present invention includes the hollow carbon ball having the inner hollow...

Non-aqueous electrolytic solution, secondary battery, battery pack, electric vehicle, electric power storage system, electric power tool, and electronic apparatus
05/07/15 - 20150125741 - (X is one of a divalent chain saturated hydrocarbon group, a halide group thereof, and nothing. R is one of a monovalent chain saturated hydrocarbon group, etc. At least one of one or more Rs includes one or more of the monovalent chain unsaturated hydrocarbon group, the monovalent cyclic unsaturated...

Rechargeable lithium ion battery
05/07/15 - 20150125742 - The rechargeable lithium ion battery includes a positive active material including a lithium compound, a non-aqueous electrolyte including at least one disulfonate ester selected from a cyclic disulfonate ester represented by Chemical Formula 1 and a linear disulfonate ester represented by Chemical Formula 2, and includes at least one carbonate...

Electrolytic solution, method for preparing ester compound contained therein and lithium secondary cell
04/30/15 - 20150118548 - Provided is a lithium secondary cell which has high capacity, suppresses deterioration in capacity and improves cycle characteristics particularly when used in high-temperature environments and has long lifespan. Provided is a lithium secondary cell including a positive electrode active material layer containing a positive electrode active material, a negative electrode...

Salt of bicyclic aromatic anions for li-ion batteries
04/23/15 - 20150111096 - The invention relates to the salts of bicyclic imidazole compounds (IV) having general structural formulae in which A represents a monovalent cation, X represents independently a carbon atom, an oxygen atom, a sulphur atom or a nitrogen atom. The invention also relates to the associated production method and to the...

Cathode active material, cathode including the cathode active material, and sodium secondary battery including the cathode
04/23/15 - 20150111097 - A cathode active material including a composite transition metal oxide including: sodium; a first transition metal; and a second transition metal, wherein the composite transition metal oxide has a first diffraction peak corresponding to a Miller index of (003) and derived from a layered rock salt structure, and a second...

Lithium ion secondary cell
04/16/15 - 20150104701 - Provided is a lithium ion secondary cell using lithium manganese-based oxide as a positive electrode active material, wherein SEI films suppressing deterioration during repeated charge/discharge are easily formed not only on the negative electrode surface, but also on the positive electrode surface, deterioration in capacity upon use, in particular, under...

Accumulator material and accumulator device
04/16/15 - 20150104702 - An electricity storage device including a positive electrode, a negative electrode, and an electrolytic solution located between the positive electrode and the negative electrode. At least one of the positive electrode 31 and the negative electrode contains an electricity storage material containing a polymerization product having a tetrachalcogenofulvalene structure in...

Electrolyte additive for a lithium-based energy storage device
04/09/15 - 20150099165 - The invention relates to an electrolyte for a lithium-based energy storage device comprising at least one lithium salt, a solvent and at least one compound of general formula (1), and to their use in lithium-based energy storage devices....

Additive for an electrolyte of a lithium-based secondary battery cell
04/02/15 - 20150093635 - An additive is described for an electrolyte of a lithium-based secondary battery cell, including at least one additive unit, which includes a closed capsule, which is filled at least partially with at least one additive dissolved in a fluid or with at least one liquid additive, characterized in that the...

Cathode active material, and cathode and magnesium secondary battery including the cathode active material
03/26/15 - 20150086859 - wherein 0≦x≦1, 0.05≦y<0.5, and −0.3≦d<1, and Ma and Mb are each independently a metal selected from the group consisting of Groups 5 to 12 of the Periodic Table....

Power storage device
03/26/15 - 20150086860 - A power storage device with reduced initial irreversible capacity is provided. The power storage device includes a positive electrode, a negative electrode, and an electrolyte solution. The negative electrode includes a negative electrode active material and a water-soluble polymer. The electrolyte solution includes an ionic liquid. The ionic liquid includes...

Non-aqueous electrolyte secondary cell and method for manufacturing same
03/19/15 - 20150079463 - A non-aqueous electrolyte secondary cell has reduced degradation of the electrolytic solution or the anode active material and high cycle durability. The non-aqueous electrolyte secondary cell includes: a cathode capable of doping and de-doping lithium ions; an anode capable of occluding and releasing lithium ions, lithium or a lithium alloy;...

Non-aqueous liquid electrolyte for secondary battery and secondary battery
03/19/15 - 20150079464 - wherein Ra, Re and Rf each represent an organic group, and Re and Rf may be bonded with each other to form a ring; Xa represents a substituent represented by formula (a) or (b); Rb and Rc each represent a hydrogen atom or a substituent; and Rd represents a hydrogen...

Valve regulated lead-acid battery, method for producing the same, and motorcycle
03/12/15 - 20150072224 - A valve regulated lead-acid battery includes a negative electrode plate, a positive electrode plate, and a solution-retainer interposed between the negative electrode plate and the positive electrode plate and retaining an electrolyte solution. The negative electrode plate includes a surface layer in which Si is contained in an electrode material....

Organic electrolyte and organic electrolyte storage battery comprising the same
02/19/15 - 20150050550 - The present invention provides an organic electrolyte comprising a compound represented by formula (1) as a compound that can be used in organic electrolyte storage batteries with a high charge voltage of 4.7 V or higher (in formula 1, R3 to R16 are each independently hydrogen, a straight-chain or branched...

Non-aqueous liquid electrolyte for secondary battery and secondary battery
02/19/15 - 20150050551 - A non-aqueous liquid electrolyte for a secondary battery, containing: an electrolyte; a polymerizable monomer; and a polymerization initiator in an organic solvent, in which the polymerization initiator has an element of Group XIII of the Periodic Table as a central element thereof and contains a compound capable of producing a...

Electrode materials for electrical cells
02/12/15 - 20150044548 - The present invention relates to electrode materials for electrical cells, containing, as component (A), at least one polymer including polymer chains formed from identical or different monomer units selected from substituted and unsubstituted vinyl units and substituted and unsubstituted C2-C10-alkylene glycol units and containing at least one monomer unit -M1-...

Advances in electric car technology
02/12/15 - 20150044549 - Systems for improving electric storage batteries and their use for powering vehicles....

Sulfur cathode for lithium-sulfur battery
02/12/15 - 20150044550 - A lithium-sulfur battery uses different binders that exhibit different swelling ratios in an electrolyte as cathode binders and thus having superior cycle performance and battery capacity. A first binder is a binder having a large swelling ratio in an electrolyte, and a second binder is a binder having a small...

Nonaqueous secondary battery
02/12/15 - 20150044551 - Disclosed is a nonaqueous secondary battery using a positive electrode containing a transition metal and lithium. The battery is prevented from deterioration due to elution of the transition metal from the positive electrode and thereby capable of maintaining small internal resistance and high electrical capacity even after high temperature storage...

Nonaqueous electrolyte secondary battery
02/12/15 - 20150044552 - [Solution] A positive electrode including a positive electrode mixture layer containing a positive electrode active material represented by Li1.08Ni0.43Co0.26Mn0.24O2 having a layered structure, a negative electrode containing a negative electrode active material, a separator provided between the positive electrode and the negative electrode, and a nonaqueous electrolyte are included, in...

Method for preparing lithium iron phosphate nanopowder coated with carbon
02/05/15 - 20150037665 - The present invention relates to a method for preparing a lithium iron phosphate nanopowder coated with carbon, including the steps of (a) preparing a mixture solution by adding a lithium precursor, an iron precursor and a phosphorus precursor in a glycerol solvent, (b) putting the mixture solution into a reactor...

Method for preparing lithium iron phosphate nanopowder coated with carbon
02/05/15 - 20150037666 - The present invention relates to a method for preparing a lithium iron phosphate nanopowder coated with carbon, including the steps of (a) preparing a mixture solution by adding a lithium precursor, an iron precursor and a phosphorus precursor in a triethanolamine solvent, (b) putting the mixture solution into a reactor...

Method for preparing lithium iron phosphate nanopowder
01/29/15 - 20150030918 - The present invention relates to a method for preparing a lithium iron phosphate nanopowder, including the steps of (a) preparing a mixture solution by adding a lithium precursor, an iron precursor and a phosphorus precursor in a glycerol solvent, and (b) putting the mixture solution into a reactor and heating...

Method for preparing lithium iron phosphate nanopowder
01/22/15 - 20150024265 - The present invention relates to a method for preparing a lithium iron phosphate nanopowder, including the steps of (a) preparing a mixture solution by adding a lithium precursor, an iron precursor and a phosphorus precursor in a triethanolamine solvent, and (b) putting the mixture solution into a reactor and heating...

Method for preparing lithium iron phosphate nanopowder
01/22/15 - 20150024266 - The present invention relates to a method for preparing a lithium iron phosphate nanopowder, including the steps of (a) preparing a mixture solution by adding a lithium precursor, an iron precursor and a phosphorus precursor in a glycerol solvent, and (b) putting the mixture solution into a reactor and heating...

Additive for electrolyte and electrolyte and lithium secondary battery
01/08/15 - 20150010810 - R1 to R4 each independently being hydrogen or a non-polar hydrocarbon group, is disclosed. An electrolyte, the electrolyte being for a lithium secondary battery and including: a non-aqueous organic solvent; a lithium salt; and the additive is also disclosed. A lithium secondary battery including: a positive electrode; a negative electrode...

Robust porous electrodes for energy storage devices
01/01/15 - 20150004480 - Electrodes, energy storage devices using such electrodes, and associated methods are disclosed. In an example, an electrode for use in an energy storage device can comprise porous silicon having a plurality of channels and a surface, the plurality of channels opening to the surface; and a structural material deposited within...

Nonaqueous electrolyte solution and nonaqueous electrolyte battery
01/01/15 - 20150004481 - (in formula (1), R1 and R3 represent an organic group having 1 to 10 carbon atoms and optionally having a substituent; R2 represents hydrogen or an organic group having 1 to 10 carbon atoms and optionally having a substituent; and R1 to R3 may each represent the same group or...

Electrochemical battery cell
12/25/14 - 20140377642 - An electrochemical battery cell having a negative electrode, an electrolyte containing a conductive salt, and a positive electrode, the electrolyte being based on SO2 and the intermediate chamber between the positive electrode and the negative electrode being implemented such that active mass deposited on the negative electrode during the charging...

Porous silicon-based anode active material, method of preparing the same, and lithium secondary battery including the anode active material
12/25/14 - 20140377643 - Provided are a porous silicon-based anode active material including crystalline silicon (Si) particles, and a plurality of pores on surfaces, or the surfaces and inside of the crystalline silicon particles, wherein at least one plane of crystal planes of at least a portion of the plurality of pores includes a...

Additive for electrolyte, electrolyte and rechargeable lithium battery
11/27/14 - 20140349176 - In an aspect, a rechargeable lithium battery that includes a positive electrode; negative electrode; a separator interposed between the positive electrode and the negative electrode; and an electrolyte including a lithium salt, a non-aqueous organic solvent, and an additive is provided. The additive may be an optionally substituted thiophene....

Process for the manufacture of 1, 1'-difluorosubstituted dialkyl carbonates, isomers thereof and electrolyte compositions containing them
11/20/14 - 20140342221 - Fluoroalkyl alkyl carbonates which are suitable as additives or solvents in lithium ion batteries are prepared from fluoroalkyl fluoroformiates and an aldehyde, preferably formaldehyde and acetaldehyde. 1,1′-difluoromethyl carbonate and 1,1′-di-fluorodiethylcarbonate are the preferred compounds prepared by the process of the present invention....

Method of increasing secondary power source capacity
11/06/14 - 20140329139 - A method of secondary power source capacity increasing including doping a compound into an electrolyte as an additive which binding energy is higher than binding energy of combinations that are formed at a secondary power source discharge, the compound of type ANB10-N is doped as an additive, where A is...

Material for lituim ion secondary battery and use of the same
11/06/14 - 20140329140 - The invention provides a material for a lithium ion secondary battery, containing an aluminum silicate having an element molar ratio (Si/Al) of silicon (Si) to aluminum (Al) of 0.3 or more and less than 1.0, as well as an anode for a lithium ion secondary battery, a cathode material for...

Preparation of high energy-density electrode materials for rechargeable magnesium batteries
10/30/14 - 20140322595 - An anode active material for a magnesium battery includes a Metal M which electrochemically alloys with magnesium, magnesium, and carbon that are ball milled forming an active material mixture. The mixture may be of the formula: MgaM1−a(0≦a<1)+Carbon wherein the mixture is ball milled and has a stoichiometric amount of M...

Additive for electrolyte of lithium battery, organic electrolytic solution comprising the same, and lithium battery using the organic electrolytic solution
10/30/14 - 20140322596 - In an aspect, an additive for an electrolyte of a lithium battery, the additive including a compound including at least three nitrile moieties is provided:...

Cathode active material for lithium secondary battery
10/23/14 - 20140315078 - Disclosed is a lithium secondary battery, which is low in capacity loss after overdischarge, having excellent capacity restorability after overdischarge and shows an effect of preventing a battery from swelling at a high temperature....

Method for preparing pentacyclic anion salt
10/23/14 - 20140315079 - A method for preparing an imidazole compound with the following formula: wherein Rf is a fluorinated alkyl group comprising between 1 and 5 carbon atoms, said method including: (a) the reaction of the diaminomaleonitrile with the following formula: with the compound with the following formula: wherein Y represents a chlorine...

Non-aqueous electrolyte secondary battery, and manufacturing method thereof
10/16/14 - 20140308578 - A lithium secondary battery 100 is configured such that an electrode body 20, in which a cathode and an anode are stacked via a separator impregnated with an electrolyte, is housed in a battery case 10 having a substantially cylindrical square shape and that an opening 12 of the case...

Electrode for lithium secondary battery, lithium secondary battery using the same, and method of fabricating the same
10/09/14 - 20140302385 - A negative electrode for a lithium (Li) secondary battery, a lithium secondary battery using the same, and a method of fabricating the same are provided. The negative electrode for the lithium secondary battery includes a germanium (Ge) structure and a graphene layer directly disposed on a surface of the germanium...

Compounds having a redox group, use thereof as an electrolyte additive, electrolyte composition, and electrochemical systems containing same
10/09/14 - 20140302386 - The invention relates to compounds comprising a redox group, to the use thereof as an additive to an electrolyte composition, to an electrolyte composition including such an additive, and to electrochemical systems including such an electrolyte composition, in particular lithium or sodium batteries and supercapacitors having a double electric layer....

Electrochemical energy storage devices and components
09/25/14 - 20140287301 - A battery electrode composition is provided comprising anode and cathode electrodes and an electrolyte ionically coupling the anode and the cathode. At least one of the electrodes may comprise a plurality of active material particles provided to store and release ions during battery operation. The electrolyte may comprise an aqueous...

Anode active material for sodium battery, anode, and sodium battery
09/25/14 - 20140287302 - Sodium titanium oxide is used as an anode active material for a sodium battery to improve the cycle properties of the sodium battery. For example, the anode active material is preferably a sodium titanium oxide having the following composition formula (1) or (2). Na2+XTi3O7 (0≦X≦0.9) Composition formula (1) Na4+XTi5O12 (0≦X≦1.0)...

Nonaqueous electrolyte battery and battery pack
09/18/14 - 20140272551 - In general, according to one embodiment, there is provided a nonaqueous electrolyte battery. The nonaqueous electrolyte battery includes a positive electrode containing a lithium nickel cobalt manganese composite oxide, and a negative electrode containing a spinel-type lithium titanium composite oxide, and a nonaqueous electrolyte. The nonaqueous electrolyte battery satisfies the...

Nonaqueous electrolyte battery
09/18/14 - 20140272552 - In general, according to one embodiment, there is provided a nonaqueous electrolyte battery. The nonaqueous electrolyte battery includes an electrode group containing a positive electrode and a negative electrode, and a nonaqueous electrolyte held in the electrode group. The nonaqueous electrolyte battery satisfies the following relation (1): −0.07≦(DA−DC)×S/B≦0.05....

Electrolyte solutions for high energy cathode materials and methods for use
09/18/14 - 20140272553 - Described herein are materials for use in electrolytes that provide a number of desirable characteristics when implemented within batteries, such as high stability during battery cycling up to high temperatures, high voltages, high discharge capacity, high coulombic efficiency, and excellent retention of discharge capacity and coulombic efficiency over several cycles...

Carbon-sulfur composite cathode passivation and method for making same
09/11/14 - 20140255770 - A method is provided for forming a carbon-sulfur (C—S) battery cathode. The method forms a C—S nanocomposite material overlying metal current collector. A dielectric is formed overlying the C—S material that is permeable to lithium (Li) ions and electrolyte, but impermeable to polysulfides. Typically, the C—S nanocomposite material is porous...

Positive active material composition for rechargeable lithium battery, positive electrode for rechargeable lithium battery including same and rechargeable lithium battery including same
09/11/14 - 20140255771 - Disclosed are a positive active material composition for a rechargeable lithium battery, a positive electrode for a rechargeable lithium battery including the same, and a rechargeable lithium battery including the positive electrode. The positive active material composition for a rechargeable lithium battery includes a nickel-based positive active material having pH...

Negative electrode active material for energy storage devices and method for making the same
09/04/14 - 20140248531 - The described embodiments provide an energy storage device that includes a positive electrode including a material that stores and releases ion, a negative electrode including Nb-doped TiO2(B), and a non-aqueous electrolyte containing lithium ions. The described embodiments provide a method including the steps of combining at least one titanium compound...

Lithium ion battery
08/28/14 - 20140242452 - A lithium-ion cell has a positive electrode comprising at least one active material comprising a lithium transition metal compound in a binder comprising at least one binder material with functional groups selected from alkali and alkaline earth salts of acid groups and hydroxyl groups, amine groups, isocyanate groups, urethane groups,...

Electrolyte and rechargeable lithium battery including same
08/28/14 - 20140242453 - and a rechargeable lithium battery including the same....

Electrolyte with solid electrolyte interface promoters
08/28/14 - 20140242454 - An electrolyte solution usable in a lithium or lithium-ion battery, among other types of batteries that offers one or more of the following: improved stability (e.g., stable discharge capacities even after several cycles), elimination of the risk of unintentionally producing hydrochloric acid, improved thermal stability, and reduced production costs associated...

Si/c composite, method of preparing the same, and anode active material for lithium secondary battery including the si/c composite
08/28/14 - 20140242455 - Since the Si/C composite of the present invention is used as an anode active material, electrical conductivity may be further improved and volume expansion may be minimized. Thus, life characteristics of a lithium secondary battery may be improved....

Nonaqueous electrolyte and nonaqueous secondary battery using same
08/28/14 - 20140242456 - The invention provides a nonaqueous electrolyte for batteries and a nonaqueous secondary battery using the same which maintains small internal resistance and high electric capacity in high temperature storage. The nonaqueous electrolyte has an electrolyte salt, a compound of general formula (1), and a compound of general formula (2) dissolved...

Aluminum ion battery including metal sulfide or monocrystalline vanadium oxide cathode and ionic liquid based electrolyte
08/28/14 - 20140242457 - An aluminum ion battery includes an aluminum anode, a vanadium oxide material cathode and an ionic liquid electrolyte. In particular, the vanadium oxide material cathode comprises a monocrystalline orthorhombic vanadium oxide material. The aluminum ion battery has an enhanced electrical storage capacity. A metal sulfide material may alternatively or additionally...

Anode materials for magnesium ion batteries
08/21/14 - 20140234699 - A compound of the formula: AbMgaX1-a (0≦a<1, 0≦b≦0.1) for use as an anode material in a magnesium ion battery wherein X is selected from one or more of: group 15 elements, group 14 elements, group 13 elements, transition metals from groups 3-12 and lanthanides. The working voltage of the compound...

Anode including spherical natural graphite and lithium secondary battery including the anode
08/14/14 - 20140227588 - Provided are an anode including spherical natural graphite having a surface coated with an amorphous carbon layer, wherein a crystal orientation ratio is in a range of 0.06 to 0.08 at a compressed density of 1.40 g/cc to 1.85 g/cc, and a lithium secondary battery including the anode. Initial efficiency,...

Polymer and secondary battery using same
08/14/14 - 20140227589 - A polymer of the present invention has a plurality of pendant groups. Each of the pendant groups is constituted of a carboxyl group or a salt thereof, and a group interposed between a main chain and either the carboxyl group or salt thereof. The group interposed between the main chain...

Phosphorus containing compound, method of preparing same, and electrolyte for rechargeable lithium battery and rechargeable lithium battery including the same
08/07/14 - 20140220426 - (R1O)2P(NR2R3).  [Chemical Formula 1]...

Positive active material for lithium secondary battery and lithium secondary battery
07/31/14 - 20140212745 - In an aspect, a positive active material for a rechargeable lithium battery including: a compound that reversibly intercalates and deintercalates lithium; and a coating layer coating the compound and including a metal nitrate is disclosed. Since the positive active material is structurally stable during the charge and discharge, the obtained...

Lithium secondary battery for high voltage
07/31/14 - 20140212746 - wherein, in Formula 1, 0≦x<0.2, 0.4≦y≦0.6, 0≦z≦0.2, 0≦w≦0.1, and M is at least one element selected from the group of Al, Ti, Mg, Zn, Mo, Y, Zr and Ca....

Low symmetry molecules and phosphonium salts, methods of making and devices formed there from
07/17/14 - 20140199585 - Synthesis of molecules and salts is disclosed having low average symmetry and their use in many applications, including but not limited to: as electrolytes in electronic devices such as memory devices including static, permanent and dynamic random access memory, as electrolytes in energy storage devices such as batteries, electrochemical double...

Cathode formed using aqueous slurry
07/03/14 - 20140186694 - In one embodiment, a positive electrode is formed by a process that includes forming a slurry including particles dispersed within a liquid from a electrode formulation and the liquid such that the particles have a particle size distribution D50 of 15 microns or less, coating the slurry on a collector;...

Sulfur-infused carbon for secondary battery materials
07/03/14 - 20140186695 - In one aspect, a method of producing a sulfur-infused carbonaceous material as a cathode material for use in a Li—S battery is described, including providing a carbonaceous material; mixing elemental sulfur with the carbonaceous material; and heating the mixed sulfur and the carbonaceous material at a temperature from about 445°...

Composite electrode material of lithium secondary battery and lithium secondary battery
06/26/14 - 20140178747 - A composite electrode material of a lithium secondary battery and a lithium secondary battery are provided. The composite electrode material of the lithium secondary battery at least includes an electrode active powder and a nanoscale coating layer coated on the surface of the electrode active powder, wherein the nanoscale coating...

Electrolyte additive and electrolyte including same and lithium rechargeable battery including electrolyte
06/26/14 - 20140178748 - In Chemical Formula 1, R1 to R4 are the same as defined in the detailed description....

Positive active material for rechargeable lithium battery and rechargeable lithium battery
06/26/14 - 20140178749 - In an aspect, a positive active material for a rechargeable lithium battery that includes a first positive active material; and a second positive active material including LiaMn1-xMxO2 (M is selected from Co, Ni, Mn, Fe. Cu, V, Si, Al, Sn, Pb, Sn, Ti, Sr, Mg, Ca or a combination thereof;...

Lithium/graphite fluoride primary battery and method for its manufacturing
06/26/14 - 20140178750 - A lithium/graphite fluoride primary battery prepared by a process which includes providing a graphite fluoride powder, mechanically milling the graphite fluoride powder so as to obtain an active material, providing a mixture comprising the active material and an electrically conductive carbon so as to form a part of a positive...

Electrodes, electrochemical cells, and methods of forming electrodes and electrochemical cells
06/19/14 - 20140170475 - Electrodes and methods of forming electrodes are described herein. The electrode can be an electrode of an electrochemical cell or battery. The electrode includes a current collector and a film in electrical communication with the current collector. The film may include a carbon phase that holds the film together. The...

Negative electrode active material for energy storage devices and method for making the same
06/19/14 - 20140170476 - The described embodiments provide an energy storage device that includes a positive electrode including an active material that can store and release ions, a negative electrode including an active material that is a lithiated nano-architectured active material including tin and at least one stress-buffer component, and a non-aqueous electrolyte including...

Additive for lead-acid battery and lead-acid battery
06/19/14 - 20140170477 - An additive for lead-acid battery including sulfonated polyacrylic acid aimed at extending the battery life by preventing the sulfation of the negative electrode, and a lead-acid battery using the additive....