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POSITIVE ELECTRODE ACTIVE MATERIAL FOR POTASSIUM ION BATTERY, POSITIVE ELECTRODE FOR POTASSIUM ION BATTERY, AND POTASSIUM ION BATTERY

Foreign code F180009463
File No. S2017-0128-C0
Posted date Jul 31, 2018
Country WIPO
International application number 2017JP041726
International publication number WO 2018097109
Date of international filing Nov 20, 2017
Date of international publication May 31, 2018
Priority data
  • P2016-229130 (Nov 25, 2016) JP
Title POSITIVE ELECTRODE ACTIVE MATERIAL FOR POTASSIUM ION BATTERY, POSITIVE ELECTRODE FOR POTASSIUM ION BATTERY, AND POTASSIUM ION BATTERY
Abstract This positive electrode active material for a potassium ion battery contains a compound represented by formula (1). In formula (1), M represents at least one element selected from the group consisting of V, Fe, Co, Ni, and Mn, and x represents a number from 0 to 1. Also provided are: a positive electrode for a potassium ion battery, the positive electrode including said positive electrode active material for a potassium ion battery; and a potassium ion battery having said positive electrode for a potassium ion battery. (1) KMOxPO4F1-x
Scope of claims [claim1]
1. Comprises a compound represented by the following equation (1) and a potassium ion battery positive electrode active material. KMO ˜C (1)xPO4F1-x(1), M is, V, Fe, Co, Ni and Mn is at least one selected from the group consisting of represents one kind of element, x is, 0 represents the number of less than or equal to 1 or more.
[claim2]
2. M is according to the above equation (1) in, according to claim 1 V potassium ions in the positive electrode active material for battery.
[claim3]
3. Wherein the x in the formula (1), 0 1 or claim 1 exceeds the number of the positive electrode active material for battery according to claim 2 or potassium ions.
[claim4]
4. Wherein the x in the formula (1), 1 1 claim 1 - claim 3 in any one of the positive electrode active material for a potassium-ion battery.
[claim5]
5. Claim 1 - claim 4 1 either of the positive electrode active material for a potassium-ion battery comprising a positive electrode for a battery potassium ions.
[claim6]
6. A positive electrode for a battery according to claim 5 potassium ions with the potassium-ion battery.
  • Applicant
  • ※All designated countries except for US in the data before July 2012
  • TOKYO UNIVERSITY OF SCIENCE EDUCATIONAL FOUNDATION
  • Inventor
  • KOMABA, Shinichi
  • KUBOTA, Kei
  • CHIHARA, Kuniko
  • KATOGI, Akihiro
IPC(International Patent Classification)
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