PHD Energy

About Us

Who We Are?

About PHD Energy Inc.

PHD Energy Inc is a leading designer and manufacturer of advanced battery products. We have five manufacturing plants in China to produce quality batteries from Li-MnO2 primary battery, Lithium-ion batteries to various battery packs,specifically for oversea markets in north America and European countries.

With a R&D and technical supporting team and sales representatives in USA and Europe,PHD Energy is dedicated to providing the best battery design services and products by applying the industrial cutting-edge chemistry and manufacturing technologies. 

Prof. John Goodenough and Michael Xie

Prof John Goodenough with our founder, Michael Xie, Ph.D. Dr. Xie holds a Ph.D. degree on battery technology and worked three years with Prof Goodenough in 2009-2012 on advanced Lithium ion battery technology. Prof Goodenough is well known as the “Father of Lithium-ion Battery” and was awarded the Nobel Prize in Chemistry in 2019.




A professional battery engineering and application team with Ph.D.s in both US and China to deliver the state-of-art technology in both chemistry and manufacturing to our customer.


A full range of battery products and services with guaranteed and premium quality, from coin cell, to Li-po battery, to big battery packs; from primary to rechargeable batteries. 


A comprehensive technical and customer supporting team in US and China to provide the real time technical service, answer questions, project management and quality control.


PHD is comprised of a professional team with battery experts and engineers with extensive experience and knowledge in batteries and their application. Our consulting service will provide you the most suitable solution(s), state-of-art technology for your designs.

PHD provides a full range of battery solutions, from coin cells to cylindrical Li-ion and Li-ion polymer batteries, to big and complex battery packs. Our expert team on battery chemistry and industry insures the delivery of most up to date Battery technology and solutions.

We have a comprehensive supporting team in US and China to manage projects from design to sampling, EVT, DVT, PVT and MP phases. Always, safety and quality are the most and foremost important aspects for all PHD battery products. We have a strong quality team in the production lines to monitor and inspect real time during the production and before each shipment.