Energy storage using batteries offers a solution to the intermittent nature of energy production from renewable sources; however, such technology must be sustainable. This Review discusses battery development from a sustainability perspective, considering the energy and environmental costs of state-of-the-art Li-ion batteries and the design of new systems beyond Li-ion. Images: batteries, car, globe: © iStock/Thinkstock.

Towards greener and more sustainable batteries for electrical energy storage

Lithium-ion batteries play an important role in the life quality of modern society as the dominant technology for use in portable electronic devices such as mobile phones, tablets and laptops. Beyond this application lithium-ion batteries are the preferred option for the emerging electric vehicle sector, while still underexploited in power supply systems, especially in combination with photovoltaics and wind power. As a technological component, lithium-ion batteries present huge global potential towards energy sustainability and substantial reductions in carbon emissions. A detailed review is presented herein on the state of the art and future perspectives of Li-ion batteries with emphasis on this potential.

The lithium-ion battery: State of the art and future perspectives

Tremendous efforts are being made to develop electrode materials, electrolytes, and separators for energy storage devices to meet the needs of emerging technologies such as electric vehicles, decarbonized electricity, and electrochemical energy storage. However, the sustainability concerns of lithium-ion batteries (LIBs) and next-generation rechargeable batteries have received little attention. Recycling plays an important role in the overall sustainability of future batteries and is affected by battery attributes including environmental hazards and the value of their constituent resources. Therefore, recycling should be considered when developing battery systems. Herein, we provide a systematic overview of rechargeable battery sustainability. With a particular focus on electric vehicles, we analyze the market competitiveness of batteries in terms of economy, environment, and policy. Considering the large volumes of batteries soon to be retired, we comprehensively evaluate battery utilization and recycling from the perspectives of economic feasibility, environmental impact, technology, and safety. Battery sustainability is discussed with respect to life-cycle assessment and analyzed from the perspectives of strategic resources and economic demand. Finally, we propose a 4H strategy for battery recycling with the aims of high efficiency, high economic return, high environmental benefit, and high safety. New challenges and future prospects for battery sustainability are also highlighted.

Sustainable Recycling Technology for Li-Ion Batteries and Beyond: Challenges and Future Prospects.

Recovery and recycling of lithium: A review

https://escholarship.org/content/qt3tr9v1wc/qt3tr9v1wc.pdf?t=pfroia

Lithium-Ion Battery Supply Chain Considerations: Analysis of Potential Bottlenecks in Critical Metals

Rechargeable Li-ion battery applications in consumer products are fastly growing, resulting in increasing resources demand: it is for example estimated that battery applications account for nearly 25% of the worldwide cobalt demand in 2007. It is obvious that recycling of batteries may help saving natural resources. However, it is not straightforward to quantify to what extent rechargeable battery recycling saves natural resources, given their complex composition, and the complex international production chain. In this paper, a detailed analysis of a lithium mixed metal oxide battery recycling scenario, where cobalt and nickel are recovered and re-introduced into the battery production chain, is compared with a virgin production scenario. Based on detailed data acquisition from processes spread worldwide, a resource saving analysis is made. The savings are quantified in terms of exergy and cumulative exergy extracted from the natural environment. It turns out that the recycling scenario result in a 51.3% natural resource savings, not only because of decreased mineral ore dependency but also because of reduced fossil resource (45.3% reduction) and nuclear energy demand (57.2%).

Recycling rechargeable lithium ion batteries: Critical analysis of natural resource savings

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Recycling rechargeable lithium ion batteries: Critical analysis of natural resource savings