摘要:
In one embodiment, the present disclosure relates to a rechargeable Li—S battery including a cathode including a firbrous carbon material, a catholyte including a polysulfide, and an anode. In another embodiment, the present disclosure relates to a charged or partially charged rechargeable Li—S battery including a cathode including a fibrous carbon material and amorphous microparticles of elemental sulfur, a catholyte including high-order polysulfides having a general formula of Li2Sn, wherein n is at least eight, and an anode. In another embodiment, the present disclosure relates to a discharged or partially discharged rechargeable Li—S battery including a cathode including a fibrous carbon material and amorphous microparticles of Li2S, a catholyte including a negligible amount of polysulfides, and an anode.
摘要:
In one embodiment, the present disclosure relates to a rechargeable Li—S battery including a cathode including a firbrous carbon material, a catholyte including a polysulfide, and an anode. In another embodiment, the present disclosure relates to a charged or partially charged rechargeable Li—S battery including a cathode including a fibrous carbon material and amorphous microparticles of elemental sulfur, a catholyte including high-order polysulfides having a general formula of Li2Sn, wherein n is at least eight, and an anode. In another embodiment, the present disclosure relates to a discharged or partially discharged rechargeable Li—S battery including a cathode including a fibrous carbon material and amorphous microparticles of Li2S, a catholyte including a negligible amount of polysulfides, and an anode.
摘要:
The present invention includes method, compositions and devices including acid-base polymer membranes with high proton conductivity at low relative humidity, good thermal and mechanical stabilities and low methanol crossover. The acid-base polymer membrane includes an acidic polymer mixed with a basic polymer. The acidic polymer includes an acidic group attached to an aromatic polymer, while the basic polymer includes at least one heterocyclic ring structure attached to an aromatic polymer.
摘要:
The present invention includes method, compositions and devices including acid-base polymer membranes with high proton conductivity at low relative humidity, good thermal and mechanical stabilities and low methanol crossover. The acid-base polymer membrane includes an acidic polymer mixed with a basic polymer. The acidic polymer includes an acidic group attached to an aromatic polymer, while the basic polymer includes at least one heterocyclic ring structure attached to an aromatic polymer.
摘要:
The present disclosure relates to an electrochemically active lithium-rich layered oxide having the general formula Li[(1.33−0.67x−y)Mn(0.67−0.5z−0.33x)Ni(x−0.5z+2y)M(z−y)O2, wherein M is cobalt (Co), chromium (Cr), or any combinations thereof, wherein, with respect to the amount of Li, 1
摘要:
The current disclosure relates to an anode material with the general formula MySb-M′Ox—C, where M and M′ are metals and M′Ox—C forms a matrix containing MySb. It also relates to an anode material with the general formula MySn-M′Cx—C, where M and M′ are metals and M′Cx—C forms a matrix containing MySn. It further relates to an anode material with the general formula Mo3Sb7-C, where —C forms a matrix containing Mo3Sb7. The disclosure also relates to an anode material with the general formula MySb-M′Cx—C, where M and M′ are metals and M′Cx—C forms a matrix containing MySb. Other embodiments of this disclosure relate to anodes or rechargeable batteries containing these materials as well as methods of making these materials using ball-milling techniques and furnace heating.
摘要:
The present invention includes compositions and methods of making cation-substituted and fluorine-substituted spinel cathode compositions by firing a LiMn2−y−zLiyMzO4 oxide with NH4HF2 at low temperatures of between about 300 and 700° C. for 2 to 8 hours and a η of more than 0 and less than about 0.50, mixed two-phase compositions consisting of a spinel cathode and a layered oxide cathode, and coupling them with unmodified or surface modified graphite anodes in lithium ion cells.
摘要翻译:本发明包括通过在约300-700℃的低温下用NH 4 HF 2烧结LiMn 2-y-z Li y M z O 4氧化物2至8小时而制备阳离子取代和氟取代的尖晶石阴极组合物的组合物和方法2至8小时 ; 大于0且小于约0.50,由尖晶石阴极和层状氧化物阴极组成的混合的两相组合物,并将它们与锂离子电池中的未改性或表面改性的石墨阳极耦合。
摘要:
The present invention includes an apparatus, system and method for screening and making one or more electrocatalysts, electrocatalyst arrays, electrodes and catalysts for an oxygen reduction reaction with a Group VIII noble metal in intimate contact with a component M to form a Group VIII noble metal-M alloy, wherein M is one or more metals selected from Groups IIIA, IVA, VIII, IB, IIB, VB, VIB, VIIB and WB of the Periodic Table.
摘要:
The present disclosure relates to an electrochemical cell including an anode, a sulfur-containing cathode, a lithium-ion-containing electrolyte, and a porous carbon interlayer disposed between the anode and the cathode. The interlayer may be permeable to the electrolyte. The interlayer may be formed from a multiwall carbon nanotube (MWCNT) or a microporous carbon paper (MCP).
摘要:
The disclosure relates to an anode material for a sodium-ion battery having the general formula AOx—C or ACx—C, where A is aluminum (Al), magnesium (Mg), titanium (Ti), vanadium (V), chromium (Cr), manganese (Mn), iron (Fe), cobalt (Co), nickel (Ni), zirconium (Zr), molybdenum (Mo), tungsten (W), niobium (Nb), tantalum (Ta), silicon (Si), or any combinations thereof. The anode material also contains an electrochemically active nanoparticles within the matrix. The nanoparticle may react with sodium ion (Na+) when placed in the anode of a sodium-ion battery. In more specific embodiments, the anode material may have the general formula MySb-M′Ox—C, Sb-MOx—C, MySn-M′Cx—C, or Sn-MCx—C. The disclosure also relates to rechargeable sodium-ion batteries containing these materials and methods of making these materials.