H01M4/20

Battery grid with varied corrosion resistance

A battery grid is disclosed. The battery grid includes a pattern of grid wires. The pattern includes a grid wire having a first segment with a first corrosion resistance and a second segment with a second corrosion resistance which is less than the first corrosion resistance. The second segment corrodes at a rate which is faster than the corrosion rate of the first segment so as to dynamically release internal stress and control grid growth of the battery grid during its service life. A battery includes said grid and a method of forming said grid are also disclosed.

Battery grid with varied corrosion resistance

A battery grid is disclosed. The battery grid includes a pattern of grid wires. The pattern includes a grid wire having a first segment with a first corrosion resistance and a second segment with a second corrosion resistance which is less than the first corrosion resistance. The second segment corrodes at a rate which is faster than the corrosion rate of the first segment so as to dynamically release internal stress and control grid growth of the battery grid during its service life. A battery includes said grid and a method of forming said grid are also disclosed.

ACTIVE MATERIAL HAVING OXIDIZED FIBER ADDITIVE & ELECTRODE AND BATTERY HAVING SAME
20220407083 · 2022-12-22 ·

A lead-acid battery is disclosed. The battery comprises a container with a cover having one or more compartments. One or more cell elements are provided in the one or more compartments. The cell elements comprise a positive electrode and a negative electrode. The positive electrode has a positive current collector and a positive electrochemically active material in contact therewith. The negative electrode has a negative current collector and a negative electrochemically active material in contact therewith. At least one of the positive electrochemically active material or the negative electrochemically active material includes electrochemically active fibers dispersed therein. Electrolyte is provided within the container. One or more terminal posts extend from the container or the cover and are electrically coupled to the cell elements. An electrode and an active material for a lead-acid battery are also disclosed.

Lead-based alloy and related processes and products

A lead-based alloy containing alloying additions of bismuth, antimony, arsenic, and tin is used for the production of doped leady oxides, lead-acid battery active materials, lead-acid battery electrodes, and lead-acid batteries.

Lead-based alloy and related processes and products

A lead-based alloy containing alloying additions of bismuth, antimony, arsenic, and tin is used for the production of doped leady oxides, lead-acid battery active materials, lead-acid battery electrodes, and lead-acid batteries.

Method and installation for producing an electrode plate, an electrode plate and a rechargeable electrochemical battery
11600813 · 2023-03-07 · ·

An electrode plate of a rechargeable electrochemical battery. The electrode plate comprises a substantially flat lead grid having a plurality of grid bars and a plurality of window-like cutouts formed between the grid bars. The electrode plate further comprises an active material introduced into the cutouts and/or onto the grid bars of the lead grid. The active material has an artificially produced pattern of slot-shaped depressions on its surface. The depressions extend to a depth from the outer surface of the active material. Also disclosed is a rechargeable electrochemical battery comprising the at least one electrode.

Method and installation for producing an electrode plate, an electrode plate and a rechargeable electrochemical battery
11600813 · 2023-03-07 · ·

An electrode plate of a rechargeable electrochemical battery. The electrode plate comprises a substantially flat lead grid having a plurality of grid bars and a plurality of window-like cutouts formed between the grid bars. The electrode plate further comprises an active material introduced into the cutouts and/or onto the grid bars of the lead grid. The active material has an artificially produced pattern of slot-shaped depressions on its surface. The depressions extend to a depth from the outer surface of the active material. Also disclosed is a rechargeable electrochemical battery comprising the at least one electrode.

BATTERY GRID WITH VARIED CORROSION RESISTANCE

A battery grid is disclosed. The battery grid includes a pattern of grid wires. The pattern includes a grid wire having a first segment with a first corrosion resistance and a second segment with a second corrosion resistance which is less than the first corrosion resistance. The second segment corrodes at a rate which is faster than the corrosion rate of the first segment so as to dynamically release internal stress and control grid growth of the battery grid during its service life. A battery includes said grid and a method of forming said grid are also disclosed.

NANOPARTICLE-ENHANCED LEAD-ACID ELECTRODE PASTE AND IMPROVED LEAD-ACID BATTERIES MADE THEREFROM
20220328886 · 2022-10-13 ·

This disclosure relates to improved electrode pastes that include a carrier, basic lead sulfate compounds, and ground state metal nanoparticles formed by laser ablation (e.g., spherical-shaped nanoparticles). Improved lead-acid batteries can be made using improved electrode pastes that include a carrier, basic lead sulfate compounds, and ground state metal nanoparticles formed by laser ablation. Methods for manufacturing lead-acid batteries of improved performance include applying an improved electrode paste to a least a portion of the positive and/or negative electrodes, placing the electrodes in a container, and placing an electrolyte in contact with the electrodes. The metal nanoparticles may comprise or consist of gold. The metal nanoparticles may by spherical-shaped and/or coral-shaped.

NANOPARTICLE-ENHANCED LEAD-ACID ELECTRODE PASTE AND IMPROVED LEAD-ACID BATTERIES MADE THEREFROM
20220328886 · 2022-10-13 ·

This disclosure relates to improved electrode pastes that include a carrier, basic lead sulfate compounds, and ground state metal nanoparticles formed by laser ablation (e.g., spherical-shaped nanoparticles). Improved lead-acid batteries can be made using improved electrode pastes that include a carrier, basic lead sulfate compounds, and ground state metal nanoparticles formed by laser ablation. Methods for manufacturing lead-acid batteries of improved performance include applying an improved electrode paste to a least a portion of the positive and/or negative electrodes, placing the electrodes in a container, and placing an electrolyte in contact with the electrodes. The metal nanoparticles may comprise or consist of gold. The metal nanoparticles may by spherical-shaped and/or coral-shaped.