• 专利标题:   Architected transitional metal dichalcogenides (TMD) foam used in battery for producing electrical energy, comprises layers of TMD arranged on top of each other along given direction Z, channels extending along given direction M, and pores.
  • 专利号:   WO2022269436-A1
  • 发明人:   TUNG V C, WEI X, FU J, XU W, DING L
  • 专利权人:   UNIV KING ABDULLAH SCI TECHNOLOGY, SAUDI ARABIAN OIL CO
  • 国际专利分类:   C01G039/06, H01M004/58
  • 专利详细信息:   WO2022269436-A1 29 Dec 2022 C01G-039/06 202305 Pages: 58 English
  • 申请详细信息:   WO2022269436-A1 WOIB055653 17 Jun 2022
  • 优先权号:   US212775P

▎ 摘  要

NOVELTY - Architected transitional metal dichalcogenides (TMD) foam comprises: many layers of TMD arranged on top of each other along a given first direction Z, where each layer includes many cells, each cell is defined by at least one strut made of the TMD; many channels extending along a given second direction M, which makes an angle a with the first given direction Z; and many pores formed on sides of the channels. USE - The foam is useful in battery for producing electrical energy (claimed). ADVANTAGE - The foam: exhibits a volumetric capacity of 1152.6 Ah/l at 4.5 mA/cm2after 1000 cycles and 500 Ah/l at 15 mA/cm2, exceeding most of the anodes and comparing favorably to the 2D BP benchmark with the similar performance if not better; and has both high mass- and volumetric-specific capacity embodies an important step forward toward lithium-ion batteries with high-energy and high-power performance. DETAILED DESCRIPTION - INDEPENDENT CLAIMS are also included for: a battery for producing electrical energy, comprising an anode including the foam, a cathode, a separating membrane that separates the anode from the cathode and an electrolyte, where the foam includes many channels having nanometer sized internal diameters; and manufacturing the foam, comprising providing bulk TMD, chemically exfoliating TMD nanosheets from the bulk TMD to obtain chemically exfoliated ce-TMD, spraying the ce-TMD as a jet onto a substrate with a nozzle to form a layer of TMD material with a thickness below a critical thickness, applying a voltage between the nozzle and the substrate, spraying the ce-TMD as particles onto the layer of TMD material with the nozzle and forming many channels through the layer by dewetting the layer.