Wired, Wireless, and Contactless - comparing BMS design approaches
Abstract
Aggressive, world-wide net-zero targets are driving up the manufacturing throughput of larger and more efficient battery energy storage systems (ESS) and a wider range of electric vehicles (EVs). It is increasingly important for BESS and EV manufacturers to employ more cost-efficient battery management system (BMS) designs while also improving control over the safety and reliability, of battery packs to alleviate simmering public concerns, while also optimizing efficiency where possible to maximize the usable energy from the cells.
This white paper discusses three different BMS hardware design approaches: fully wired, far field wireless, and near field contactless, and investigates and compares cost-efficiency, safety, and reliability aspects of each.