An electrode material useful as a dry in place deposit comprising at least one metal chelating polymer; an active material capable of reversibly intercalating lithium ions; a plurality of electrical conductor particles; a binder polymer. The electrode material is formed into a slurry using a non-aqueous solvent. The metal chelating polymer may be a reaction product of a polyphenolic polymer; an aldehyde, a ketone, or mixtures thereof; and an amine. The electrode material slurry is deposited on a current collector and dried to form a positive electrode in a secondary lithium ion battery. The deposited electrode material has high flexibility, adhesion to the current collector, resistance to electrolyte damage, and low electrical resistance. The electrode material forms a superior positive electrode at a relatively low additional cost and with no increase in process complexity.

An electrochemical device disclosed includes a positive electrode, a negative electrode, and a lithium ion conductive electrolyte. The positive electrode includes a positive electrode mixture layer containing a positive electrode active material. The positive electrode active material contains particles of a conductive polymer to and from which anions are reversibly dopable and de-dopable. A ratio V1/V0 of a volume V1 of pores with a pore size of 0.2 m or less to a volume V0 of all pores is 0.40 or more when a pore distribution of the positive electrode is measured using a mercury porosimeter.

An electrochemical device disclosed includes a positive electrode, a negative electrode, and a lithium ion conductive electrolyte. The positive electrode includes a positive electrode mixture layer containing a positive electrode active material. The positive electrode active material contains particles of a conductive polymer to and from which anions are reversibly dopable and de-dopable. A ratio V1/V0 of a volume V1 of pores with a pore size of 0.2 m or less to a volume V0 of all pores is 0.40 or more when a pore distribution of the positive electrode is measured using a mercury porosimeter.

A battery includes a first electrode acting as an anode and a second electrode acting as a cathode, the second electrode including at least one polymer binder, a conductive carbon-based material, and a composite of polyaniline and graphene-based material as an active material. An insulative separator material is disposed between the first and the second electrode that supports transport of lithium ions. The battery further includes an electrolyte composed of at least one aprotic solvent, and at least one lithium salt that is soluble in the at least one aprotic solvent.

A battery includes a first electrode acting as an anode and a second electrode acting as a cathode, the second electrode including at least one polymer binder, a conductive carbon-based material, and a composite of polyaniline and graphene-based material as an active material. An insulative separator material is disposed between the first and the second electrode that supports transport of lithium ions. The battery further includes an electrolyte composed of at least one aprotic solvent, and at least one lithium salt that is soluble in the at least one aprotic solvent.

Provided is a manufacturing method of an electrode layer, including a step A of forming an electrode material film on a collector foil, where the collector foil is transported using a transport member in which a plurality of pallets are connected in one direction, along a connection direction of the pallets, a step B of spacing the connected pallets apart from each other to divide a laminate of the collector foil and the electrode material film for each one pallet, and a step C of transporting the pallet on which the divided laminate of the collector foil and the electrode material film is placed along the connection direction of the pallets, and measuring a density and a thickness of the electrode material film using an X-ray examination device.

Provided is a manufacturing method of an electrode layer, including a step A of forming an electrode material film on a collector foil, where the collector foil is transported using a transport member in which a plurality of pallets are connected in one direction, along a connection direction of the pallets, a step B of spacing the connected pallets apart from each other to divide a laminate of the collector foil and the electrode material film for each one pallet, and a step C of transporting the pallet on which the divided laminate of the collector foil and the electrode material film is placed along the connection direction of the pallets, and measuring a density and a thickness of the electrode material film using an X-ray examination device.

A working electrode for a subcutaneous sensor for use with a continuous biological monitor for a patient is disclosed. The working electrode includes a conductive substrate and an enzyme layer on the conductive substrate. The enzyme layer includes an enzyme, and the enzyme selected according to a biological function to be monitored. A hydrophobic material cross-linked with an acrylic polyol is included. The enzyme is fully entrapped in the cross-linked hydrophobic material with the acrylic polyol.

A working electrode for a subcutaneous sensor for use with a continuous biological monitor for a patient is disclosed. The working electrode includes a conductive substrate and an enzyme layer on the conductive substrate. The enzyme layer includes an enzyme, and the enzyme selected according to a biological function to be monitored. A hydrophobic material cross-linked with an acrylic polyol is included. The enzyme is fully entrapped in the cross-linked hydrophobic material with the acrylic polyol.

A composite electrode comprising a charge-conducting material, a charge-providing material bound to the charge-conducting material, and a plurality of single-walled carbon nanotubes bound to a surface of the charge-providing material. High-capacity electroactive materials that assure high performance are a prerequisite for ubiquitous adoption of technologies that require high energy/power density lithium (Li)-ion batteries, such as smart Internet of Things (IoT) devices and electric vehicles (EVs). Improved electrode performance and lifetimes are desirable. The disclosed electrode can have a Coulombic efficiency of 99% or greater, and a stable capacity retention after 100 cycles or more. Methods of making a composite electrode are disclosed.