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IEEE/ASHRAE 1635-2022

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IEEE/ASHRAE Guide for the Ventilation and Thermal Management of Batteries for Stationary Applications

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Revision Standard - Active. Vented lead-acid (VLA), valve-regulated lead-acid (VRLA), nickel-cadmium (Ni-Cd - both fully vented and partially-recombinant types), and Li-ion stationary battery installations are discussed in this guide, written to serve as a bridge between the electrical designer and the heating, ventilation, and air-conditioning (HVAC) designer. Ventilation of stationary battery installations is critical to improving battery life while reducing the hazards associated with hydrogen production (hydrogen production is not a concern with Li-ion under normal operating conditions [it is under thermal runaway conditions]). This guide describes battery operating modes and the hazards associated with each. It provides the HVAC designer with the information to provide a cost effective ventilation solution.
This guide discusses the ventilation and thermal management of stationary battery systems as applied to the following: -- Vented (flooded) lead-acid (VLA) -- Valve-regulated lead-acid (VRLA) -- Nickel-cadmium (Ni-Cd) -- Partially recombinant nickel-cadmium. -- Lithium ion (Li-ion) For each category, both the technology and the design of the battery are described in order to facilitate user understanding of the environmental issues associated with each type of technology. The scope of this document includes only stationary batteries under conditions of expected use. Multiple operating modes are identified. The ventilation practices described in this guide represent the "best practice" based on the information available at the time this document was developed. The user should evaluate these practices against their operating experience, operating conditions, number and size of battery systems, manufacturer's recommendations, resources, and needs in developing an environment that is conducive to safety and optimum operation of the equipment. These recommendations were developed without consideration of economics, availability of equipment and personnel, or relative importance of the application. Design of a ventilation system for a specific battery installation requires consideration of all issues, not just the technical issues considered in this document.
The purpose of this document is to provide heating, ventilation, and air conditioning (HVAC) and battery system designers and users with information and recommendations concerning the ventilation and thermal management of stationary battery installations

SDO IEEE: Institute of Electrical and Electronics Engineers
Document Number 1635
Publication Date Nov. 30, 2022
Language en - English
Page Count 140
Revision Level
Supercedes
Committee Energy Storage & Stationary Battery Committee
Publish Date Document Id Type View
Nov. 30, 2022 1635-2022 Revision
July 31, 2018 1635-2018 Revision