阅读说明：本技术 固体电解质材料和电池 (Solid electrolyte material and battery ) 是由 境田真志 浅野哲也 酒井章裕 西尾勇祐 宫崎晃畅 长谷川真也 于 2018-11-14 设计创作，主要内容包括：固体电解质材料由组成式Li<Sub>a</Sub>Y<Sub>b</Sub>M<Sub>c</Sub>X<Sub>6-d</Sub>F<Sub>d</Sub>表示,其中,M包含选自除了Li和Y以外的金属元素和准金属元素中的至少一种,X是选自Cl、Br和I中的至少一种,满足0＜a、0＜b、0≤c且0＜d＜6。(The solid electrolyte material is composed of Li a Y b M c X 6‑d F d Wherein M contains at least one selected from the group consisting of metal elements and metalloid elements other than Li and Y, and X is at least one member selected from the group consisting of Cl, Br and IOne of the components is less, and a is more than 0, b is more than 0, c is more than or equal to 0 and d is more than 0 and less than 6.)

1. A solid electrolyte material, which is composed of Li_aY_bM_cX_6-dF_dIt is shown that,

wherein M contains at least one selected from the group consisting of metal elements and metalloid elements other than Li and Y,

x is at least one selected from Cl, Br and I,

a is more than 0, b is more than 0, c is more than or equal to 0 and d is more than 0 and less than 6.

2. The solid electrolyte material according to claim 1,

satisfies a is more than or equal to 2 and less than or equal to 3.3, b is more than or equal to 0.6 and less than or equal to 1.33, c is more than or equal to 0 and less than or equal to 1, d is more than or equal to 1 and less than or equal to 3, and a +3b + mc is equal to 6,

wherein M is the valence of M, and M is 0 in the case where c is 0.

3. The solid electrolyte material according to claim 1 or 2,

and c is 0.

4. The solid electrolyte material according to claim 3,

b is more than or equal to 0.9 and less than or equal to 1.33.

5. The solid electrolyte material according to claim 1 or 2,

c is more than 0 and is more than c,

m is at least one selected from the group consisting of Ca, Sr, Ba, Zr, and Al.

6. The solid electrolyte material according to claim 5,

m comprises a group of elements selected from the group consisting of Ca,

c is more than or equal to 0.05 and less than or equal to 1.

7. The solid electrolyte material according to claim 6,

b is more than or equal to 0.6 and less than or equal to 1.17.

8. The solid electrolyte material according to claim 5,

m is a group containing Sr,

c is more than or equal to 0.15 and less than or equal to 0.3.

9. The solid electrolyte material according to claim 8,

satisfies a is more than or equal to 2.4 and less than or equal to 2.7.

10. The solid electrolyte material according to claim 5,

m is a compound containing Ba,

c is more than or equal to 0.15 and less than or equal to 0.6.

11. The solid electrolyte material according to claim 10,

b is more than or equal to 0.8 and less than or equal to 1.

12. The solid electrolyte material according to claim 5,

m is a group containing Al,

c is 0.1 and b is 0.9.

13. The solid electrolyte material according to claim 5,

m is a component containing Zr in the form of,

c is more than or equal to 0.15 and less than or equal to 0.3.

14. The solid electrolyte material according to claim 13,

b is more than or equal to 0.7 and less than or equal to 0.85.

15. A battery comprising a positive electrode, a negative electrode, an electrolyte layer disposed between the positive electrode and the negative electrode, and the solid electrolyte material according to any one of claims 1 to 14,

at least one of the positive electrode, the negative electrode, and the electrolyte layer includes the solid electrolyte material.

Technical Field

The present disclosure relates to a solid electrolyte material and a battery.

Background

Patent document 1 discloses an all-solid battery using a sulfide solid electrolyte.

Non-patent document 1 discloses ion conductivity of a halide solid electrolyte containing indium and fluorine.

Prior art documents

Patent document 1: japanese patent laid-open publication No. 2011-129312

Non-patent document 1: tomita et al. percent Innovations in chemical engineering, 2017,10,12-17

Disclosure of Invention

Drawings

Fig. 1 is a sectional view showing a schematic structure of a battery 1000 according to embodiment 2.

Fig. 2 is a schematic diagram showing an evaluation method of ion conductivity.

Fig. 3 is a graph showing the evaluation results of the ionic conductivity by AC impedance measurement.

Fig. 4 is a graph showing initial discharge characteristics.

Detailed Description

Hereinafter, embodiments of the present disclosure will be described with reference to the drawings.

(embodiment mode 1)