BATTERY, BATTERY PACK, ELECTRONIC DEVICE, ELECTRIC VEHICLE, ELECTRIC STORAGE DEVICE, AND ELECTRIC POWER SYSTEM
Provided is a battery which can improve the positive electrode utilization and rate characteristics of a charge-discharge reaction. The battery includes a positive electrode containing sulfur, a negative electrode containing lithium, an electrolyte, and a conductive interlayer provided between the positive electrode and the negative electrode. The conductive interlayer includes a conductive fiber-containing layer, a conductive nanotube-containing layer, or a conductive mesh.
1 . A battery comprising:
a positive electrode containing sulfur;
a negative electrode containing lithium;
an electrolyte; and
a conductive interlayer provided between the positive electrode and the negative electrode,
wherein the conductive interlayer includes a conductive fiber-containing layer, a conductive nanotube-containing layer, or a conductive mesh.
2 . The battery according to claim 1 , wherein the conductive fiber-containing layer comprises a conductive non-woven fabric or a conductive woven fabric.
3 . The battery according to claim 2 , wherein the conductive fiber comprises at least one selected from the group consisting of carbon, metals, and conductive polymers.
4 . The battery according to claim 1 , wherein the conductive nanotube is a carbon nanotube.
5 . The battery according to claim 1 , wherein the conductive mesh comprises a metal.
6 . The battery according to claim 1 , wherein the positive electrode comprises a non-porous conducting aid.
7 . The battery according to claim 6 , wherein the conducting aid comprises at least one selected from the group consisting of carbon fibers and carbon nanotubes.
8 . The battery according to claim 1 , wherein the electrolyte comprises a kasolite electrolytic solution.
9 . The battery according to claim 1 , wherein the conductive interlayer has a space that accepts a volume expansion of lithium sulfide.
10 . The battery according to claim 1 , wherein the conductive interlayer holds the electrolyte, achieves lithium ion permeation, and gives and receives electrons to and from sulfur or lithium sulfide dissolved in the electrolyte.
11 . A battery pack comprising a battery including:
a positive electrode containing sulfur;
a negative electrode containing lithium;
an electrolyte; and
a conductive interlayer provided between the positive electrode and the negative electrode,
wherein the conductive interlayer includes a conductive fiber-containing layer, a conductive nanotube-containing layer, or a conductive mesh.
12 . An electronic device comprising a battery including:
a positive electrode containing sulfur;
a negative electrode containing lithium;
an electrolyte; and
a conductive interlayer provided between the positive electrode and the negative electrode,
wherein the conductive interlayer includes a conductive fiber-containing layer, a conductive nanotube-containing layer, or a conductive mesh, and
the electronic device is powered by the battery.
13 . An electric vehicle comprising:
a battery;
a conversion device powered by the battery to convert the power to a driving force for the vehicle; and
a controller that conducts information processing for vehicle control on the basis of information regarding the battery,
wherein the battery includes:
a positive electrode containing sulfur;
a negative electrode containing lithium;
an electrolyte; and
a conductive interlayer provided between the positive electrode and the negative electrode, and
the conductive interlayer includes a conductive fiber-containing layer, a conductive nanotube-containing layer, or a conductive mesh.
14 . An electric storage device comprising a battery including:
a positive electrode containing sulfur;
a negative electrode containing lithium;
an electrolyte; and
a conductive interlayer provided between the positive electrode and the negative electrode,
wherein the conductive interlayer includes a conductive fiber-containing layer, a conductive nanotube-containing layer, or a conductive mesh, to supply electric power to an electronic device connected to the battery.
15 . The electric storage device according to claim 14 , the device comprising a power information controller that transmits and receives signals to and from other device via a network, and controlling charge and discharge for the battery on the basis of information received by the power information controller.
16 . An electric power system comprising a battery including:
a positive electrode containing sulfur;
a negative electrode containing lithium;
an electrolyte; and
a conductive interlayer provided between the positive electrode and the negative electrode,
wherein the conductive interlayer includes a conductive fiber-containing layer, a conductive nanotube-containing layer, or a conductive mesh, and
the system is powered by the battery, or electric power is supplied from an electric generator or a power network to the battery.