Battery / Fuel Cell Electrodes and Electrode Materials
Last Updated: April 1, 2025
Description
Battery and fuel cell electrodes and electrode materials are critical components in electrochemical devices that facilitate the conversion of chemical energy into electrical energy. These electrodes serve as sites for electrochemical reactions, where the fuel and oxidant interact to produce electricity. The electrodes are typically composed of materials that can efficiently conduct electricity and support the necessary chemical reactions.
Working Principle
In both batteries and fuel cells, the electrodes play a crucial role in the electrochemical process. The anode is where the fuel undergoes oxidation, releasing electrons and ions. These electrons travel through an external circuit, performing useful work, before reaching the cathode. At the cathode, the electrons combine with ions and an oxidant to complete the reaction, often forming a byproduct like water. The electrolyte between the electrodes allows ions to move, maintaining electrical neutrality. This process is highly efficient and not limited by the Carnot cycle, making it advantageous for energy conversion.
Applications
Fuel cells are used in a variety of applications, including electrical power generation for homes and businesses, where they help reduce pollutants and reliance on fossil fuels. They are also employed in transportation, powering trains, buses, and automobiles. Additionally, small-scale fuel cells are integrated into portable electronics, such as laptops and cellular phones, due to their high power density and quick refueling capabilities.
Advantages over other Electrodes and Electrode Materials
Fuel cell electrodes offer several advantages over traditional battery electrodes. They provide higher power densities and allow for near-instantaneous refueling or recharging, which is particularly beneficial in applications requiring rapid energy replenishment. The use of hydrogen as a fuel, which is abundant, also contributes to the sustainability and environmental benefits of fuel cells.
Limitations
One significant limitation of fuel cell electrodes is the high cost associated with materials like platinum, which is commonly used as a catalyst. This cost barrier hinders the widespread adoption of fuel cells. Additionally, issues such as low durability and the need for continuous fuel supply can limit their practicality in certain applications.
Considerations
When considering the use of battery and fuel cell electrodes, several factors must be taken into account. Initial costs can be high, particularly for fuel cells due to expensive catalyst materials. Operating expenses may vary depending on the fuel source and maintenance requirements. Durability is a concern, as electrodes can degrade over time, affecting performance and necessitating replacement. Maintenance costs can also be significant, especially if specialized materials or components are required.
from Samtec Inc.
Tin Plating. Contact for IPD1 Series [See More]
- Applications: Battery or Fuel Cell; Electronics
- Shape / Form: Socket or Receptacle
- Type: Contact
- Plating / Coating: Tin
from Memory Protection Devices, Inc.
Model No. BSF. Description. 9 Volt Female Battery Snap, 6 Sided Style. Material. Brass. Contact Material. Brass, Nickel Plated Overall. Color. Nickel. Accessories. BS-R, Rivet. Price, 100 pieces. N/A. Price, 500 pieces. N/A. Price, 1000 pieces. $0.06. Package Size. 1000 pieces. Lead Time. 4-6 weeks. [See More]
- Applications: Battery or Fuel Cell; Contactors; Batteries
- Material: Base Metal
- Type: Contact
- Shape / Form: Custom / Application Specific; Button; Stamping
from Wallner Expac
For specialized applications such as microfiltration, battery technologies, and lightning strike protection, Wallner Expac manufactures its MicroForm® line of Micromeshes. Manufactured and engineered to precise specifications in our U.S.-based, ISO-9001 certified plants, our scalable manufacturing... [See More]
- Applications: Battery or Fuel Cell
- Shape / Form: Diamond
- Type: Anode / Anode Material; Cathode / Cathode Material
- Thickness: 0.0020
from Matexcel
Storage: Store at room temperature. Product overview: This product is a high energy density, long-life artificial graphite, primary/secondary particle composite product, which has excellent performance when used in NCA, high-nickel ternary, lithium cobalt oxide and other systems. Size: D50: ~15... [See More]
- Applications: Battery or Fuel Cell
- Shape / Form: Powder
- Type: Anode / Anode Material
- Thickness: 5.91E-4
from CoorsTek
At sufficient temperatures, specialty compositions of ceramic membranes can be engineered to transport ions — allowing them to act as selective ion transport ceramics at a molecular level. Active ceramic membranes can be applied to a growing variety of gas-to-chemicals (GTCh), gas-to-liquids... [See More]
- Applications: Battery or Fuel Cell
- Material: Ceramic
- Type: Anode / Anode Material
- Shape / Form: Custom / Application Specific
from Shandong Goldencell Electronics Technology Co., Ltd.
Product (LiFePO4) features: Utilizing proprietary technology, the batch is stable and environmentally friendly. Stable structure, high compaction density and long cycle life. Wide operating temperature range and good low temperature performance. High safety and reliability, wide application fields. [See More]
- Applications: Battery or Fuel Cell
- Type: Cathode / Cathode Material
from Samtec Inc.
DISCRETE WIRE CONTACT (LOOSE) FOR ISDF SERIES [See More]
- Applications: Battery or Fuel Cell; Electronics
- Shape / Form: Socket or Receptacle
- Type: Contact
from Memory Protection Devices, Inc.
Model No. BSM. Description. 9 Volt Male Battery Snap. Material. Brass. Contact Material. Brass, Nickel Plated Overall. Color. Nickel. Accessories. BS-R, Rivet. Price, 100 pieces. N/A. Price, 500 pieces. N/A. Price, 1000 pieces. $0.06. Package Size. 1000 pieces. Lead Time. 4-6 weeks. Standard... [See More]
- Applications: Battery or Fuel Cell; Contactors; Batteries
- Material: Base Metal
- Type: Contact
- Shape / Form: Custom / Application Specific; Button; Stamping
from Shandong Goldencell Electronics Technology Co., Ltd.
Product (NCM) features: Independent research and development, can be customized according to customer needs. High capacity, good processability and high batch stability. Long cycle life and good rate performance. Excellent high and low temperature performance. Use Environment: Material is made by... [See More]
- Applications: Battery or Fuel Cell
- Type: Cathode / Cathode Material
from Samtec Inc.
35,000 Contacts Per Reel. Selective Gold Plating [See More]
- Applications: Battery or Fuel Cell; Electronics
- Shape / Form: Socket or Receptacle
- Type: Contact
- Plating / Coating: Gold
from Memory Protection Devices, Inc.
Model No. BSR. Description. Rivet for 9 Volt Snap. Material. Contact Material. Brass, Nickel Plated Overall. Color. Nickel. Accessories. Price, 100 pieces. N/A. Price, 500 pieces. N/A. Price, 1000 pieces. $0.05. Package Size. 1000 pieces. Lead Time. 4-6 weeks. Standard Product. Yes. Distributor... [See More]
- Applications: Battery or Fuel Cell; Contactors; Batteries
- Material: Base Metal
- Type: Contact
- Shape / Form: Custom / Application Specific; Button; Stamping
from Memory Protection Devices, Inc.
Model No. 4-2. Description. AA Spring, w/Arm for Series Connection. Material. Steel. Contact Material. Steel. Color. Accessories. Price, 100 pieces. $0.15. Price, 500 pieces. $0.13. Price, 1000 pieces. $0.11. Package Size. 100 pieces. Lead Time. 4-6 weeks. Standard Product. Yes. Distributor stocked. [See More]
- Applications: Battery or Fuel Cell; Contactors; Batteries
- Material: Base Metal
- Type: Contact
- Shape / Form: Custom / Application Specific; Stamping
from Memory Protection Devices, Inc.
Model No. ABG-174. Description. AA PCB Spring Contact. Material. Steel. Contact Material. Nickel plated overall. Color. Accessories. Price, 100 pieces. $0.15. Price, 500 pieces. $0.13. Price, 1000 pieces. $0.11. Package Size. 100 pieces. Lead Time. 4-6 weeks. Standard Product. Yes. Distributor... [See More]
- Applications: Battery or Fuel Cell; Contactors; Batteries
- Material: Base Metal
- Type: Contact
- Shape / Form: Custom / Application Specific; Stamping
from Memory Protection Devices, Inc.
Model No. BCAA. Description. AA Spring. Material. Steel. Contact Material. Nickel plated overall. Color. Accessories. Price, 100 pieces. Price, 500 pieces. $0.13. Price, 1000 pieces. $0.11. Package Size. 500 pieces. Lead Time. 4-6 weeks. Standard Product. Yes. Distributor stocked. Yes [See More]
- Applications: Battery or Fuel Cell; Contactors; Batteries
- Material: Base Metal
- Type: Contact
- Shape / Form: Custom / Application Specific; Stamping
from Memory Protection Devices, Inc.
AA Battery Spring [See More]
- Applications: Battery or Fuel Cell; Contactors; Batteries
- Material: Base Metal
- Type: Contact
- Shape / Form: Custom / Application Specific; Stamping
from Memory Protection Devices, Inc.
Model No. BK-209. Description. Negative Single, AA Contact. Material. Steel. Contact Material. Nickel plated overall. Color. Accessories. Price, 100 pieces. $0.14. Price, 500 pieces. $0.12. Price, 1000 pieces. $0.10. Package Size. 100 pieces. Lead Time. 4-6 weeks. Standard Product. Yes. Distributor... [See More]
- Applications: Battery or Fuel Cell; Contactors; Batteries
- Material: Base Metal
- Type: Contact
- Shape / Form: Custom / Application Specific; Button; Stamping
from Memory Protection Devices, Inc.
Model No. BK-202. Description. Negative Feed Thru, AAA Contact. Material. Steel. Contact Material. Nickel plated overall. Color. Accessories. Price, 100 pieces. $0.22. Price, 500 pieces. $0.19. Price, 1000 pieces. $0.17. Package Size. 100 pieces. Lead Time. 4-6 weeks. Standard Product. Yes. [See More]
- Applications: Battery or Fuel Cell; Contactors; Batteries
- Material: Base Metal
- Type: Contact
- Shape / Form: Custom / Application Specific; Button; Stamping
from Memory Protection Devices, Inc.
Model No. SNT8-1. Description. C Cell Pos Contact. Material. Steel. Contact Material. Nickel plated overall. Color. Accessories. Price, 100 pieces. Price, 500 pieces. Price, 1000 pieces. $0.11. Package Size. 1000 pieces. Lead Time. 4-6 weeks. Standard Product. Yes. Distributor stocked. Yes. [See More]
- Applications: Battery or Fuel Cell; Contactors; Batteries
- Material: Base Metal
- Type: Contact
- Shape / Form: Custom / Application Specific; Button; Stamping
from Memory Protection Devices, Inc.
Model No. BK-874. Description. Feed thru D Cell Contact. Material. Steel. Contact Material. Nickel plated overall. Color. Accessories. Price, 100 pieces. $0.19. Price, 500 pieces. $0.17. Price, 1000 pieces. $0.15. Package Size. 100 pieces. Lead Time. 4-6 weeks. Standard Product. Yes. Distributor... [See More]
- Applications: Battery or Fuel Cell; Contactors; Batteries
- Material: Base Metal
- Type: Contact
- Shape / Form: Custom / Application Specific; Button; Stamping
from Memory Protection Devices, Inc.
Model No. ABG-02. Description. Contact from BC2/3AE. Material. #301, Stainless Steel. Contact Material. Nickel plated overall. Color. Accessories. Price, 100 pieces. $0.13. Price, 500 pieces. $0.12. Price, 1000 pieces. $0.10. Package Size. 100 pieces. Lead Time. 4-6 weeks. Standard Product. Yes. [See More]
- Applications: Battery or Fuel Cell; Contactors; Batteries
- Material: Base Metal
- Type: Contact
- Shape / Form: Custom / Application Specific; Button; Stamping
from Memory Protection Devices, Inc.
Model No. BSPCF. Description. 9V Terminal, Female, PCB Mounting. Material. Steel. Contact Material. Nickel plated overall. Color. Accessories. Price, 100 pieces. $0.17. Price, 500 pieces. $0.15. Price, 1000 pieces. $0.13. Package Size. 100 pieces. Lead Time. 4-6 weeks. Standard Product. Yes. [See More]
- Applications: Battery or Fuel Cell; Contactors; Batteries
- Material: Base Metal
- Type: Contact
- Shape / Form: Custom / Application Specific; Button; Stamping