摘要:
Provided is an electrode for an electrochemical cell that includes a current collector, and an active material in electrical contact with the current collector, wherein the electrode has a raised pattern as well as a method of making and using the same and also for electrochemical cells incorporating the same.
摘要:
A composite includes an active material, graphite, and a binder. The amount of graphite in the composite is greater than about 20 volume percent of the total volume of the active material and graphite in the composite. The porosity of the composite is less than about 20%.
摘要:
Alloy compositions, lithium ion batteries, and methods of making lithium ion batteries are described. The lithium ion batteries have anodes that contain an alloy composition that includes a) silicon, b) aluminum, c) transition metal, d) tin, and e) a fifth element that contains yttrium, a lanthanide element, an actinide element, or a combination thereof. The alloy composition is a mixture of an amorphous phase that includes silicon and a nanocrystalline phase that includes an intermetallic compound of tin and the fifth element.
摘要:
An electrode composition for a lithium ion battery that includes an amorphous alloy having the formula SixMyAlz where x, y, and z represent atomic percent values and (a) x+y+z=100, (b) x≧55, (c) y 0, and (e) M is one or more metals selected from the group consisting of manganese, molybdenum, niobium, tungsten, tantalum, iron, copper, titanium, vanadium, chromium, nickel, cobalt, zirconium, yttrium, and combinations thereof.
摘要翻译:一种用于锂离子电池的电极组合物,其包括具有式SixMyAlz的非晶合金,其中x,y和z表示原子百分比值,(a)x + y + z = 100,(b)x≥55,(c) y <22,(d)z> 0,(e)M是选自锰,钼,铌,钨,钽,铁,铜,钛,钒,铬,镍,钴中的一种或多种金属 ,锆,钇及其组合。
摘要:
An electrode composition for a lithium ion battery that includes an amorphous alloy having the formula SixMyAlz where x, y, and z represent atomic percent values and (a) x+y+z=100, (b) x≧55, (c) y 0, and (e) M is one or more metals selected from the group consisting of manganese, molybdenum, niobium, tungsten, tantalum, iron, copper, titanium, vanadium, chromium, nickel, cobalt, zirconium, yttrium, and combinations thereof.
摘要翻译:一种用于锂离子电池的电极组合物,其包括具有式SixMyAlz的非晶合金,其中x,y和z表示原子百分比值,(a)x + y + z = 100,(b)x≥55,(c) y <22,(d)z> 0,(e)M是选自锰,钼,铌,钨,钽,铁,铜,钛,钒,铬,镍,钴中的一种或多种金属 ,锆,钇及其组合。
摘要:
An electrode composition for a lithium ion battery that includes an amorphous alloy having the formula SixMyAlz where x, y, and z represent atomic percent values and (a) x+y+z=100, (b) x≧55, (c) y 0, and (e) M is one or more metals selected from the group consisting of manganese, molybdenum, niobium, tungsten, tantalum, iron, copper, titanium, vanadium, chromium, nickel, cobalt, zirconium, yttrium, and combinations thereof.
摘要翻译:一种用于锂离子电池的电极组合物,其包括具有式SixMyAlz的非晶合金,其中x,y和z表示原子百分比值,(a)x + y + z = 100,(b)x≥55,(c) y <22,(d)z> 0,(e)M是选自锰,钼,铌,钨,钽,铁,铜,钛,钒,铬,镍,钴中的一种或多种金属 ,锆,钇及其组合。
摘要:
Provided are negative electrode compositions for lithium-ion electrochemical cells that include metal oxides and polymeric binders. Also provided are electrochemical cells and battery packs that include electrodes made with these compositions.
摘要:
Improved lithium-ion batteries in which the cathode comprises particles that include (i) transition metal grains having a grain size no greater than about 50 nanometers; and (ii) lithium-containing grains selected from the group consisting of lithium oxides, lithium sulfides, lithium halides (e.g., chloride, bromides, iodides, or fluorides), and combinations thereof.
摘要:
Composite particles that include an electrochemically active metal phase, an insulating phase, and a conducting phase are provided that are useful active materials in negative electrodes for lithium-ion electrochemical cells. The electrochemically active phase includes silicon. Lithium-ion electrochemical cells are provided that include the provided composite composite particles as active materials in negative electrodes as well as methods of making the provided composite particles.
摘要:
Composite particles that include an electrochemically active metal phase, an insulating phase, and a conducting phase are provided that are useful active materials in negative electrodes for lithium-ion electrochemical cells. The electrochemically active phase includes silicon. Lithium-ion electrochemical cells are provided that include the provided composite composite particles as active materials in negative electrodes as well as methods of making the provided composite particles.