TechConnect Ventures

Sprint Challenge Brief:

Energy Storage Technologies For Medium and Long-Term Discharge

Submissions Closed

Background and Areas of Interest

Energy storage comes through different mechanisms - thermal, chemical, and mechanical - as well as in many different forms: the tiny button batteries in small electronic devices to car batteries to batteries for the whole electrical grid. Regardless of the type, size, chemistry or application, these storage devices play the same role: retaining electricity for use at some later point in time.

Smaller energy storage devices can retain relatively modest charges for extended periods of time. For example, a standard AAA battery has a shelf life measured in years. Shorter energy storage for grid applications proves problematic, however, as we endeavor to transition towards renewable energy generation from wind, solar, and other sources.

To facilitate a more sustainable electric power distribution grid, TechConnect Ventures seeks energy storage technologies which provide medium and long-term duration. For the purposes of this sprint, we'll define those terms as:

  • Medium-term duration: technologies capable of holding a charge for 5-10 hours
  • Long-term duration: technologies capable of holding a charge for 10+ hours

We are interested in all technologies capable of high-capacity storage, including batteries, thermal storage, mechanical storage and/or chemical storage approaches.

  • National grids
  • Regional grids
  • Microgrids
  • Usage within critical infrastructure

We are not interested in approaches utilizing micro plastics or materials of health or environmental concern.

While we are most interested in complete solutions, we will consider partial or supporting technologies of all technical maturities.

Through this sprint, we will facilitate contact and interactions between the sponsor and active researchers or technology developers in the space. We are significantly interested in submissions and novel concepts from individuals in academia and research, but all viable technology providers may respond for potential commercial opportunities with the client.


We encourage solvers submitting an entry to highlight key innovation areas in their submission that meet criteria including:

  • Anticipated storage capacity
  • Anticipated storage duration
  • Anticipated application space
  • National grid
  • Regional grid
  • Microgrid
  • Infrastructure
  • Anticipated formfactor
  • Anticipated operational lifespan
  • Years in the field
  • Number of charge/discharge cycles
  • Technical maturity (TRL)

Business Opportunity for Solvers

We will include all complete and eligible entries in an exclusive innovation opportunity report for our client. TechConnect Ventures or our client may contact directly any well-matched capabilities to discuss potential partnership opportunities include, but not limited to, demonstrations, consulting, contract research, licensing, and more. TechConnect Ventures may also invite top rated entries to participate in an upcoming event or pitch program.

Participation Rules & Guidelines

We encourage solvers to review the Rules and Guidelines for details about participation, including submission criteria, eligibility information, and more.

Download Challenge Brief

QUESTIONS? Contact Executive Director, Nick Kacsandi at