Abstract:
An anodeless lithium metal battery includes: a cathode including a cathode current collector and a cathode active material layer on the cathode current collector; an anode current collector on the cathode; a composite electrolyte between the cathode and the anode current collector, wherein the composite electrolyte, wherein the composite electrolyte includes a first liquid electrolyte and a metal comprising at least one of a lithium metal and a lithium metal alloy; and a liquid-impermeable ion-conductive composite membrane between the cathode and the composite electrolyte.
Abstract:
A negative electrode for a lithium metal battery including: a lithium metal electrode including a lithium metal or a lithium metal alloy; and a protective layer on at least portion of the lithium metal electrode, wherein the protective layer has a Young's modulus of about 106 pascals or greater and includes at least one particle having a particle size of greater than 1 micrometer to about 100 micrometers, and wherein the at least one particle include an organic particle, an inorganic particle, an organic-inorganic particle, or a combination thereof.
Abstract:
A negative electrode for a lithium metal battery, the negative electrode including: a lithium metal electrode comprising lithium metal or a lithium metal alloy; and a protective layer on at least a portion of the lithium metal electrode, wherein the protective layer has a Young's modulus of about 106 Pascals or greater, wherein the protective layer includes at least one first particle, wherein the first particle includes an organic particle, an inorganic particle, an organic-inorganic particle, or a combination thereof, and wherein the first particle has a particle size of greater than 1 micrometer to about 100 micrometers, and a crosslinked material comprising a polymerizable oligomer, which is disposed between first particles of the at least one first particle.
Abstract:
A cathode includes a cathode active material layer including a cathode active material; and a coating layer that is disposed on the cathode active material layer and that includes a block copolymer, wherein the block copolymer includes at least one first block that forms a structure domain and a second block that forms an ion conductive domain, and a total amount of the first block is in a range of about 20 weight percent to about 80 weight percent based on the total weight of the block copolymer.
Abstract:
A lithium metal battery including: a lithium negative electrode including lithium metal; a positive electrode; and an electrolyte interposed between the lithium negative electrode and the positive electrode, wherein the electrolyte contains non-fluorine substituted ether, which is capable of solvating lithium ions, a fluorine substituted ether represented by the following Formula 1, and a lithium salt, wherein an amount of the fluorine substituted ether represented by Formula 1 is greater than an amount of the non-fluorine substituted ether, R—{O(CH2)a}b—CH2—O—CnF2nH Formula 1 wherein R is —CmF2mH or —CmF2m+1, n is an integer of 2 or greater, m is an integer of 1 or greater, a is an integer of 1 or 2, and b is 0 or 1.
Abstract:
An electrolyte for a lithium secondary battery, the electrolyte including: a block copolymer including a structural domain and a rubbery domain, wherein the structural domain includes a structural block including a plurality of structural repeating units, and wherein the rubbery domain includes a rubbery block including a plurality of rubbery repeating units.
Abstract:
An organic-inorganic silicon structure-containing block copolymer including a first domain including an ion conductive polymer block; and a second domain including a polymer block including a non-conducting polymer and an organic-inorganic silicon structure, wherein the organic-inorganic silicon structure is connected to a side chain connected to a backbone of the non-conducting polymer.
Abstract:
An all-solid secondary battery including: a positive electrode layer including a positive active material; a negative electrode layer including a negative electrode current collector and a first negative active material layer; and a solid electrolyte layer between the positive electrode layer and the negative electrode layer, the solid electrolyte including a solid electrolyte, wherein the first negative active material layer is adjacent to the solid electrolyte layer, the first negative active material layer includes a multi-component metal composite including M1, M2, M3, and X, an atomic ratio of M2M3X to M1M2M3X in the multi-component metal composite is in a range of about 0.5 to about 0.85, and an atomic ratio of M2M3X to M1 ion is in a range of about 1 to about 5.51.
Abstract:
A negative electrolyte for a lithium metal battery, the negative electrolyte including: a non-aqueous solvent comprising an ether solvent; a lithium salt having a concentration of about 1 molar to about 6 molar in the non-aqueous solvent; and a crosslinked product of a polymerizable oligomer, wherein the negative electrolyte has a gel or solid form.
Abstract:
An electrolyte including a copolymer including (i) an ion-conductive domain including an ion-conductive segment of the copolymer, wherein the ion-conductive segment includes a plurality of ion-conductive units, and (ii) a structural domain including a structural segment of the copolymer, wherein the structural segment includes a plurality of structural units, wherein the ion-conductive domain and the structural domain are covalently linked, and a polymer network phase coupled to the ion-conductive domain.