Review of battery safety for emergency communication and tracking systems for underground mining operations

The passage of the MINER Act of 2006 has placed stronger requirements on communication and tracking equipment used in underground mines for emergency operations. This review details the safety concerns of battery chemistries that are expected to see use in emergency communication and tracking equipment. The performance and safety requirements for portable and stationary equipment are summarised. Descriptions are provided for domestic and international standards regarding intrinsic safety. Common concerns for battery charging systems for underground mines are also addressed.