Non-aqueous electrolyte solution battery and communication device
A non-aqueous electrolyte solution battery includes a positive electrode containing manganese dioxide and a carbon material; a negative electrode including one of lithium and a lithium alloy; a non-aqueous electrolyte solution; and a container configured to accommodate the positive electrode, the negative electrode, and the non-aqueous electrolyte solution. In a spectrum that is measured by performing Raman spectroscopic analysis with respect to the positive electrode by using argon laser at a wavelength of 514.5 nm, an average value of peak intensity ratios I D /I G of an intensity I D of a peak appearing in the vicinity of 1330 cm −1 to an intensity I G of a peak appearing in the vicinity of 1580 cm −1 satisfies a relationship of 0.5≤I D /I G ≤1.3.
1. A non-aqueous electrolyte solution battery, comprising:
a positive electrode including manganese dioxide and a carbon material;
a negative electrode including one of lithium and a lithium alloy;
a non-aqueous electrolyte solution; and
a container including a positive electrode can configured to accommodate the positive electrode, the negative electrode, and the non-aqueous electrolyte solution,
wherein in a spectrum that is measured by performing Raman spectroscopic analysis with respect to the positive electrode by using argon laser at a wavelength of 514.5 nm, an average value of peak intensity ratios I D /I G of an intensity I D of a peak appearing in the vicinity of 1330 cm′ to an intensity I G of a peak appearing in the vicinity of 1580 cm′ satisfies a relationship of 0.5≤I D /I G ≤1.3, and
a mass ratio M 2 /M 1 of a mass M 1 of the positive electrode to a mass M 2 of the non-aqueous electrolyte solution satisfies a relationship of 0.22≤M 2 /M 1 ≤0.40, wherein
the non-aqueous electrolyte solution battery further includes a conductive layer provided between a bottom portion of the positive electrode can and the positive electrode, and a bottom portion of the positive electrode is provided on the conductive layer;
an area ratio S 1 /S 2 satisfies a relationship of 0.72≤S 1 /S 2 ≤1.00, wherein S 1 is a contact area where the conductive layer is in contact with the positive electrode, and an area S 2 is an area of the bottom portion of the positive electrode;
the non-aqueous electrolyte solution includes cyclic carbonate including propylene carbonate and an ether compound including 1,2-dimethoxy ethane, wherein a mass ratio of the propylene carbonate to the 1,2-dimethoxy ethane is from 1:1 to 3:1, and
a content of a lithium perchlorate in the non-aqueous electrolyte solution is from 4 mass % to 10 mass %.
2. The non-aqueous electrolyte solution battery according to claim 1 ,
wherein an outer diameter ratio D 2 /D 1 of an outer diameter D 2 of the positive electrode when an open circuit voltage is 3.2 V to an outer diameter D 1 of the battery satisfies a relationship of 0.8≤D 2 /D 1 ≤0.9.
3. The non-aqueous electrolyte solution battery according to claim 1 ,
wherein a mass ratio of the manganese dioxide to the carbon material is from 90:10 to 97:3.
4. The non-aqueous electrolyte solution battery according to claim 1 ,
wherein the manganese dioxide includes β-MnO 2 .
5. The non-aqueous electrolyte solution battery according to claim 1 ,
wherein the positive electrode further includes a binding agent, and
the binding agent includes at least a fluorine-based resin.
6. The non-aqueous electrolyte solution battery according to claim 5 ,
wherein the fluorine-based resin includes at least one type of polytetrafluoroethylene and polyvinylidene fluoride.
7. The non-aqueous electrolyte solution battery according to claim 5 ,
wherein a content of the fluorine-based resin in the positive electrode is greater than or equal to 1.4 mass % and less than 10 mass %.
8. The non-aqueous electrolyte solution battery according to claim 1 ,
wherein the negative electrode includes a facing surface that faces the positive electrode, and
the non-aqueous electrolyte solution battery further includes a powder that is provided on the facing surface and the powder includes a lithium aluminum alloy.
9. The non-aqueous electrolyte solution battery according to claim 1 , further comprising:
a ring member including the positive electrode,
wherein the container includes a positive electrode can, and
the ring member is welded to a bottom portion of the positive electrode can.
10. The non-aqueous electrolyte solution battery according to claim 9 , further comprising:
a conductive layer provided between the bottom portion of the positive electrode can and the positive electrode,
wherein a peripheral edge of the conductive layer is positioned in a position between the bottom portion of the positive electrode can and the ring member or a position outside the ring member.
11. The non-aqueous electrolyte solution battery according to claim 1 ,
wherein the carbon material includes activated carbon black.
12. The non-aqueous electrolyte solution battery according to claim 1 ,
wherein the carbon material includes activated carbon black and natural graphite.
13. The non-aqueous electrolyte solution battery according to claim 1 , wherein the conductive layer has a substantially planar shape and is in contact with and extends along at least a portion of the bottom portion of the positive electrode.
14. The non-aqueous electrolyte solution battery according to claim 1 , further comprising:
a separator,
wherein the separator includes one of a porous film and a non-woven fabric.
15. A communication device, comprising:
the non-aqueous electrolyte solution battery according to claim 1 ,
wherein the communication device is configured to receive power supply from the non-aqueous electrolyte solution battery.
16. The communication device according to claim 15 , further comprising an LPWA type communication unit.