Frederik Kiel Jespersen

Frederik Kiel is Co-Founder and Chief Technology Officer at Repax, where he architects technology solutions that bridge the gap between regulatory compliance and sustainable business practices. He focuses on building scalable infrastructure that transforms complex environmental responsibilities into actionable insights. With a commitment to better technology as a force for environmental stewardship, Frederik works at the intersection of compliance innovation and circular economy advancement.
Header image

Articles by :author:

The latest industry news, interviews, technologies, and resources.
What is battery take-back? Collecting used batteries for safe recycling and reuse

What is battery take-back?

Battery take-back lets you return used batteries for safe recycling, saving resources and preventing pollution. It supports a circular economy and helps protect the environment.
What is mercury in batteries? A toxic metal once used to improve performance

What is mercury in batteries?

Mercury in batteries is toxic and harms health and the environment. Many laws now ban it. Using mercury-free batteries and recycling old ones helps protect nature and supports a circular economy.
What is battery repurposing? Giving old batteries a new life for energy storage

What is battery repurposing?

Battery repurposing gives old batteries a second life, reducing waste and resource use by turning them into energy storage for homes or solar power, supporting a cleaner, circular economy.
What is a battery cell? A tiny unit that stores and powers devices

What is a battery cell?

Battery cells store and provide electricity for devices and vehicles. They enable renewable energy use but need better recycling and design to reduce mining impacts and waste for a greener future.
What are battery labelling requirements? Rules for safe use and recycling

What are battery labelling requirements?

Battery labels show battery type, capacity, safety warnings, and disposal info. This helps recycling, prevents pollution, and supports a circular economy by keeping materials in use.
What is a second-life battery? A used battery reused for energy storage

What is a second-life battery?

Second-life batteries reuse used electric car batteries for energy storage, reducing waste, saving resources, and supporting clean energy—making energy systems greener and more affordable.
What is battery recycled content minimum? A rule for eco-friendly batteries

What is the battery recycled content minimum?

Battery Recycled Content Minimum ensures batteries include recycled metals, cutting mining, pollution, and emissions. It supports recycling, saves resources, and builds a greener, circular future.
What is battery due diligence? Checking batteries for safety and sustainability

What is battery due diligence?

Battery Due Diligence ensures batteries are safe, ethical, and eco-friendly by checking materials, design, use, and recycling. It helps create a circular, sustainable battery life cycle.
What is a lead recovery target? A goal for reclaiming lead from waste

What is lead recovery target?

A lead recovery target sets a goal for how much lead to recycle from waste, reducing pollution, saving resources, and supporting a circular economy by keeping lead in use and out of the environment.
What is a battery QR code? A tool for tracking and recycling batteries

What is a battery QR code?

Battery QR Codes track battery info from use to recycling, helping extend life, ensure safe disposal, recover valuable materials, and support a circular economy for a greener planet.
What are battery durability requirements? Standards for lasting and safe power

What are battery durability requirements?

Battery durability means batteries last long, stay safe, and perform well in different conditions. This reduces waste, lowers resource use, and supports recycling and a circular economy.
What is a nickel recovery target? A goal to recycle and save nickel from waste

What is the nickel recovery target?

Nickel Recovery Target aims to recycle nickel from waste, cutting mining impacts, saving energy, and promoting a circular economy that reuses materials for a cleaner, sustainable future.