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Plug&Charge

It's a technology that enables automatic authentication and payment for electric vehicle (EV) charging without the need for an RFID card or mobile app.
Here's how Plug and Charge works:

1. EV and charging station communication: The EV and charging station communicate with each other using a secure digital certificate to establish a trusted connection.
2. Authentication: The charging station uses the digital certificate to authenticate the EV and verify its identity.
3. Payment: The EV and charging station negotiate the price and payment terms for the charging session, and the payment is processed automatically through the driver's preferred payment method, such as a credit card or account with the charging network.
4. Charging: Once the payment has been authorized, the charging session begins automatically, without the need for the driver to initiate the session using an RFID card or mobile app.

Plug and Charge is designed to simplify the EV charging process and make it more convenient for drivers, while also providing a secure and reliable payment system for charging network operators. The technology is supported by several EV manufacturers and charging network operators, and is expected to become more widely available in the coming years as more EV models and charging stations support the technology.

Plug and Charge works in terms of authentication:

1. Digital Certificate: The Plug and Charge technology relies on the use of digital certificates to establish trust between the electric vehicle (EV) and the charging station. Each EV is issued a unique digital certificate by its manufacturer, and the certificate is securely stored on the EV's onboard computer.
2. Authentication Protocol: When the EV is plugged into a Plug and Charge-enabled charging station, the charging station sends a message to the EV requesting its digital certificate. The EV responds by sending its certificate to the charging station.
3. Certificate Verification: The charging station verifies the authenticity of the digital certificate by checking it against a list of trusted certificates maintained by the charging network operator. If the certificate is valid and trusted, the charging station establishes a secure connection with the EV.
4. Authorization and Payment: Once the EV is authenticated, the charging station checks the driver's account to verify that they have the necessary funds or subscription to cover the cost of the charging session. If the driver is authorized to use the charging station, the charging session begins automatically.

Overall, Plug and Charge uses digital certificates and a secure authentication protocol to establish a trusted connection between the EV and the charging station, without requiring the use of an RFID card or mobile app. This simplifies the charging process and makes it more convenient for EV drivers, while also providing a secure and reliable payment system for charging network operators.