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The Johan Cruijff Arena in Amsterdam. Photo: Ed van de Pol/Soccrates via Getty Images

The Johan Cruijff Arena in Amsterdam, home to the soccer team AFC Ajax, now hosts Europe's largest energy storage system. Comprising 250 used Nissan Leaf battery packs and 340 first-life battery modules, the system can provide up to one hour of full power to the stadium during an event.

How it works: Second-life batteries are batteries removed after a first life in electric vehicles. While no longer able to supply the power needed for transportation, these batteries still have adequate capacity for other energy storage solutions. Recycling these batteries remains economically unfavorable because of falling prices and low metal recovery, but they continue to find their way into new applications such as home-power and mobile-charging units.

The 3 megawatt system, together with 4,200 solar panels, accumulates energy that can be stored and used on demand. This provides uninterruptible backup power during highly attended events such as Ajax home games and European cup matches. The project was initiated by Ajax and environmentally conscious businesses, including Nissan, Eaton Corp and the Amsterdam Climate and Energy Fund. During non-event times, the system can be used to reconcile the differences between supply and demand of electricity in the Dutch energy system, contributing to a stable energy grid.

The bottom line: Until the cost of recycling electric vehicle battery packs makes economic sense, there will be a solid business case for repurposing them.

Maggie Teliska is a technical specialist at Caldwell Intellectual Property, an intellectual property law firm. She is also a member of GLG, a platform connecting businesses with industry experts.

Go deeper

Updated 3 hours ago - World

U.S. airstrike kills senior al-Qaeda leader in Syria, DOD says

A displacement camp near the village of Qah in Syria's northwestern Idlib province. Photo: Ahmad Al-Atrash/AFP via Getty Images

A U.S. airstrike in northwest Syria on Friday killed senior al-Qaeda leader Abdul Hamid al-Matar, U.S. Central Command said in a statement.

Why it matters: Syria serves as a "safe haven" for the extremist group to plan external operations, according to U.S. Army Maj. John Rigsbee.

Updated 8 hours ago - Politics & Policy

Giuliani associate Lev Parnas convicted of campaign finance crimes

Lev Parnas, a former associate of then-President Donald Trump’s personal lawyer Rudy Giuliani. Photo: Stefani Reynolds/Bloomberg via Getty Images

Florida businessman Lev Parnas was convicted Friday on charges of conspiracy to make foreign contributions to political campaigns, according to multiple outlets.

Why it matters: Prosecutors said Parnas, then an associate of former President Donald Trump's personal lawyer Rudy Giuliani, funneled over $150,000 from a Russian businessman into U.S. campaigns as part of an effort to land licenses in the U.S.'s legal cannabis industry.

Supreme Court agrees to hear challenges to Texas abortion law

Photo: Saul Loeb/AFP via Getty Images

The Supreme Court on Friday agreed to hear two cases challenging Texas' abortion law, which bans the procedure as soon as six weeks into pregnancy, but left the law in place in the meantime.

Why it matters: The court is moving extraordinarily fast on the Texas cases, compressing into just a few days a process that normally takes months. And that schedule means the court will take up Texas' ban a month before it hears another major abortion case — a challenge to Mississippi's own 2018 ban on abortions after 15 weeks.