About Circular Energy Storage
Circular Energy Storage is a London-based consultancy specializing in data collection and analytics for the end-of-life lithium-ion battery market. Since 2017, we’ve helped clients navigate the complex world of battery use, reuse, and recycling—empowering better decisions across the entire value chain.
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Our strength lies in continuously gathering and analyzing data from every corner of the global battery ecosystem. We turn this intelligence into actionable insights, supporting our clients in strategic planning, sustainability initiatives, and business development.
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Our clients include many of the world’s largest companies in automotive, electronics, battery manufacturing, and energy, as well as leading players in battery reuse and recycling. We also work with government agencies, major investors, and international institutions shaping the future of energy and circular economy.
Founded by Hans Eric Melin, a recognized expert in battery recycling and circular economy policy, Circular Energy Storage brings decades of experience to a rapidly evolving industry. Our research has been featured in leading scientific journals such as Science and Nature, and cited by influential bodies including the European Commission, the White House, the International Energy Agency, and the World Economic Forum.

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Publications
Batteries
2023
Tracking flows of end-of-life battery materials and manufacturing scrap
Gaines, Linda, Jingyi Zhang, Xin He, Jessey Bouchard, and Hans Eric Melin
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Science
2021
Global implications of the EU battery regulation
Melin, Hans Eric, Mohammad Ali Rajaeifar, Anthony Y. Ku, Alissa Kendall, Gavin Harper, and Oliver Heidrich
Nature
2021
​Circular economy strategies for electric vehicle batteries reduce reliance on raw materials
Baars, Joris, Teresa Domenech, Raimund Bleischwitz, Hans Eric Melin, and Oliver Heidrich
Swedish Energy Agency
2019
State-of-the-art in reuse and recycling of lithium-ion batteries–A research review
Hans Eric Melin, Circular Energy Storage
Transport & Environment
2019
Analysis of the climate impact of lithium-ion batteries and how to measure it
Hans Eric Melin, Circular Energy Storage
Global Battery Alliance
2018
​The lithium-ion battery end-of-life market–A baseline study
Hans Eric Melin, Circular Energy Storage