{
  "$type": "site.standard.document",
  "coverImage": {
    "$type": "blob",
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  "description": "Provided is a rechargeable alkali metal-sulfur cell comprising an anode layer, an electrolyte and a porous separator, a cathode layer, and a discrete anode-protecting layer disposed between the anode layer and the separator and/or a discrete cathode-protecting layer disposed between the separator…",
  "path": "/patents/1250661",
  "publishedAt": "2019-12-19T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "H01M10/052",
    "Nanotek Instruments, Inc."
  ],
  "textContent": "Provided is a rechargeable alkali metal-sulfur cell comprising an anode layer, an electrolyte and a porous separator, a cathode layer, and a discrete anode-protecting layer disposed between the anode layer and the separator and/or a discrete cathode-protecting layer disposed between the separator and the cathode active material layer; wherein the anode-protecting layer or cathode-protecting layer comprises a conductive sulfonated elastomer composite having from 0.01% to 50% by weight of a conductive reinforcement material dispersed in a sulfonated elastomeric matrix material and the protective layer has a thickness from 1 nm to 50 μm, a fully recoverable tensile strain from 2% to 500%, a lithium ion conductivity from 10S/cm to 5×10S/cm, and an electrical conductivity from 10S/cm to S/cm. This battery exhibits an excellent combination of high sulfur content, high sulfur utilization efficiency, high energy density, and long cycle life.",
  "title": "ALKALI METAL-SULFUR SECONDARY BATTERY CONTAINING A CONDUCTIVE ELECTRODE- PROTECTING LAYER"
}