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POSITIVE ELECTRODE ACTIVE MATERIAL FOR MAGNESIUM SECONDARY CELL, POSITIVE ELECTRODE FOR MAGNESIUM SECONDARY CELL, AND MAGNESIUM SECONDARY CELL NEW

外国特許コード F170009134
整理番号 S2017-0184-N0
掲載日 2017年7月20日
出願国 世界知的所有権機関(WIPO)
国際出願番号 2016JP066795
国際公開番号 WO 2016199732
国際出願日 平成28年6月6日(2016.6.6)
国際公開日 平成28年12月15日(2016.12.15)
優先権データ
  • 特願2015-117810 (2015.6.10) JP
発明の名称 (英語) POSITIVE ELECTRODE ACTIVE MATERIAL FOR MAGNESIUM SECONDARY CELL, POSITIVE ELECTRODE FOR MAGNESIUM SECONDARY CELL, AND MAGNESIUM SECONDARY CELL NEW
発明の概要(英語) The present invention addresses the problem of providing: a positive electrode active material for a magnesium secondary cell with which it is possible to obtain a magnesium secondary cell exhibiting excellent charge/discharge characteristics; and a positive electrode for a magnesium secondary cell and a magnesium secondary cell in which the positive electrode active material is used. The present invention pertains to: a positive electrode active material for a magnesium secondary cell comprising a magnesium composite oxide, which is represented by the composition formula (1): MgxM1yM2zO2 and which has a layered rock-salt type crystal structure of space group Fm-3m; and a positive electrode for a magnesium secondary cell and a magnesium secondary cell in which the positive electrode active material is used. In formula (1): M1 is Ni, Co, or Mn; M2 is at least one element, different from M1, selected from the group consisting of Ni, Co, Mn, Ti, V, Cr, Fe, Cu, Nb, W, Mo, and Ru; 0 < x ≤ 1; 0 < y < 2; 0 < z < 1; and 1.5 ≤ x + y + z ≤ 2.0.
特許請求の範囲(英語) [claim1]
1. The positive electrode active material for the magnesium accumulator which consists of the magnesium compound oxide which the below-mentioned formula (1) is displayed with composition formula, possesses the rock salt type crystalline structure of space group Fm-3m.
Mg [x] M1 [y] M2 [z] O [2]... (1)
(Formula (1) in, M1, is Ni, Co or Mn, as for M2, unlike M1, at the same time, Ni, Co, Mn and Ti, V, is the element of 1 where it is chosen kinds at least from the group which consists of Cr, Fe, Cu, Nb, W, Mo, and Ru, is 0<x<=1, is 0<y<2, is 0<z<1, is 1.5<=x+y+z<=2.0.)
[claim2]
2. The aforementioned system (1) M1 in, in the claim 1 which is Ni the positive electrode active material for the magnesium accumulator of statement.
[claim3]
3. The aforementioned system (1) M2 in, Ni, Co, Mn and Ti, V, from the group which consists of Cr, Fe, and Cu the claim 1 which at least is the element of 1 where it is chosen kinds or in claim 2 the positive electrode active material for the magnesium accumulator of statement.
[claim4]
4. Either of the claim 1- claim 3 where the aforementioned system (1) in, it is 0<x<=0.8, is 0.5<=y<2, is 0<z<=0.6, is 1.5<=x+y+z<=2.0 in 1 sections the positive electrode active material for the magnesium accumulator of statement.
[claim5]
5. Either of claim 1- claim 4 the positive electrode for the magnesium accumulator which includes the positive electrode active material for the magnesium accumulator of statement in 1 sections.
[claim6]
6. In claim 5 the positive electrode for the magnesium accumulator of statement and the magnesium accumulator which possesses with cathode and the nonaqueous electrolyte.
  • 出願人(英語)
  • ※2012年7月以前掲載分については米国以外のすべての指定国
  • TOKYO UNIVERSITY OF SCIENCE EDUCATIONAL FOUNDATION
  • 発明者(英語)
  • IDEMOTO YASUSHI
  • KITAMURA NAOTO
  • ISHIDA NAOYA
国際特許分類(IPC)
指定国 (WO2016199732)
National States: AE AG AL AM AO AT AU AZ BA BB BG BH BN BR BW BY BZ CA CH CL CN CO CR CU CZ DE DK DM DO DZ EC EE EG ES FI GB GD GE GH GM GT HN HR HU ID IL IN IR IS KE KG KN KP KR KZ LA LC LK LR LS LU LY MA MD ME MG MK MN MW MX MY MZ NA NG NI NO NZ OM PA PE PG PH PL PT QA RO RS RU RW SA SC SD SE SG SK SL SM ST SV SY TH TJ TM TN TR TT TZ UA UG US UZ VC VN ZA ZM ZW
ARIPO: BW GH GM KE LR LS MW MZ NA RW SD SL SZ TZ UG ZM ZW
EAPO: AM AZ BY KG KZ RU TJ TM
EPO: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
OAPI: BF BJ CF CG CI CM GA GN GQ GW KM ML MR NE SN ST TD TG
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