---
title: 'Product Development Intern at Solid Power'
canonical: 'https://feeny.ai/job/product-development-intern-solid-power-thornton-j4frb53mrxbs'
type: 'job'
last_seen: '2026-10-16'
---

# Product Development Intern at Solid Power

- **Company:** Solid Power
- **Location:** Thornton, CO
- **Posted:** 2026-10-13
- **Last confirmed live:** 2026-10-16
- **Apply:** https://job-boards.greenhouse.io/solidpower/jobs/6223433004

## Job description

Position Overview:

Solid Power is seeking a Product Development Intern to join our talented team of engineers and scientists working to revolutionize the battery industry through the development of next generation, all solid‐state rechargeable batteries.  Solid Power is a dynamic, fast‐paced, collaborative, and innovative team environment. The preferred candidate will be currently enrolled in a bachelor's or master’s program in engineering, chemistry, materials science or a related STEM field.

Job Duties:

- Work closely with and under the direction of scientists and engineers to run experiments at the lab and production scales.
- Support separator fabrication by mixing and hand casting separator slurries.
- Support slurry development by filtering slurry, collecting rheological data, and Hegman gauges to better understand binder – particle interactions.
- Characterize composite electrodes / separators through 90-degree peel testing, tensile testing, mandrel bend testing, and nanoindentation.
- Build pellet, coin, and pouch cells to determine stability and performance of individual components and overall slurry formulations.
- Communicate results and roadblocks to the broader team/audience
- Always follow all facility and laboratory safety rules and regulations.

Qualifications/ Requirements:

- Currently enrolled in at least a Batchelor's or Master's program in engineering, chemistry, materials science or related STEM discipline.
- Prior academic or industrial lab experience, with the ability to safely work with hazardous materials, laboratory equipment, gloveboxes and dry rooms.
- Hands-on experience in small format cell assembly and electrochemical testing is preferred.
- Experience with electrochemical characterization techniques such as: CV, EIS, and Galvanostatic cycling is a plus.
- Strong preference for candidates familiar with some combination of CV, EIS, Galvanostatic cycling, XRD, SEM/EDS, DSC/TGA, Light Scattering, and Rheology.
- Comfort with safe handling of hazardous materials and equipment is required.
- Experience with DOE, data analysis, and interpreting battery performance results. Python or Minitab experience is a plus, along with strong communication skills.

Physical Requirements:

- Prolonged periods of sitting at a desk, walking and standing
- Ability to safely work in gloveboxes and dry rooms
- Required to wear Personal Protective Equipment (PPE) as necessary including, but not limited to eye protection, hair net, gloves, face mask, coveralls, full-face respirator or PAPR

This job description is not designed to cover or contain a comprehensive listing of activities, duties, or responsibilities that are required of the employee. Duties, responsibilities, and activities may change, or new ones may be assigned at any time with or without notice.

Hourly Compensation: $25/hour

Schedule: 15-20+ hours per week during fall semester and up to 30 hours per week during the summer.

Application Deadline: This role will be posted until a suitable candidate has been identified.

Export Control Requirements:

This position requires access to technology, software, and other information that is subject to governmental access control restrictions, due to export controls. Employment in this position is conditioned on the continued availability of government authorization to authorize the release of such items, to the extent required, including without limitation an export license, or other documentation required to establish authorization to receive access to such items.

Company may delay commencement of employment, rescind an offer of employment, terminate employment, and/or may modify job responsibilities, compensation, benefits, and/or access to Company facilities and information systems, as Company deems appropriate, in order to ensure compliance with applicable government access control restrictions.

The employer is unable to sponsor applicants for work visas.

No soliciting from staffing agencies. Thank you!

#LI-Onsite

## #LI-CG1

## About Solid Power

## Company Overview
- **One-liner**: Solid Power is a U.S.-based leader in all-solid-state battery technology, developing next-generation sulfide-based solid electrolytes and cell designs for longer-range, lower-cost, and safer electric vehicles.
- **Entity Type**: Public (ticker: SLDP on Nasdaq)
- **Headquarters**: Louisville, Colorado, USA (with additional facilities in Thornton, CO and a local office in Seoul, South Korea)
- **Founded**: 2011
- **Founders**: Not publicly available

## Core Business
- **Primary industry**: Energy storage / electric vehicle battery technology
- **Target customers**: B2B – OEM automakers (BMW, Ford, Hyundai, etc.) and Tier 1 battery manufacturers (SK On, Samsung SDI, etc.)
- **Mission or purpose statement**: “To envision a future of clean, sustainable, battery-powered mobility. We believe a better battery is required – a new breed of battery that looks, acts, and is built like today’s lithium-ion batteries, but with longer life, increased safety, and lower costs.” (Source: [solidpowerbattery.com/about](https://www.solidpowerbattery.com/about/company-profile/default.aspx))

## Products & Services
- **Sulfide Solid Electrolyte**: Proprietary sulfide-based solid electrolyte designed for high ionic conductivity and compatibility with standard roll-to-roll lithium-ion manufacturing. Sold separately and used in all Solid Power cell types. (Source: [solidpowerbattery.com](https://solidpowerbattery.com/))
- **Silicon EV Cell**: All-solid-state cell with high-content silicon anode and NMC cathode – targeting 390 Wh/kg and 930 Wh/L, 1,000+ cycle life. Designed as a drop-in replacement for current Li-ion production lines. (Source: [solidpowerbattery.com](https://solidpowerbattery.com/))
- **Lithium Metal EV Cell**: All-solid-state cell using a lithium metal anode – targeting 440 Wh/kg with ultra-low cost and high specific energy. (Source: [investor presentation](https://s202.q4cdn.com/841762012/files/doc_presentations/2026/Jun/12/Investor-Presentation-June-2026.pdf))
- **Conversion Reaction Cell**: All-solid-state cell employing a conversion-type cathode for reduced battery pack mass and cost. (Source: [investor presentation](https://s202.q4cdn.com/841762012/files/doc_presentations/2026/Jun/12/Investor-Presentation-June-2026.pdf))
- **Cell Technology Licensing**: Partners (e.g., BMW, SK On) license Solid Power’s cell designs and manufacturing know-how to produce all-solid-state cells at scale. (Source: [solidpowerbattery.com](https://solidpowerbattery.com/))

## Market Standing
- **Valuation/Market Cap**: Approximately $636 million as of June 11, 2026 (Source: [investor presentation](https://s202.q4cdn.com/841762012/files/doc_presentations/2026/Jun/12/Investor-Presentation-June-2026.pdf))
- **Key Metric**: Total liquidity of $435.3 million as of March 31, 2026 (debt-free balance sheet) (Source: [investor presentation](https://s202.q4cdn.com/841762012/files/doc_presentations/2026/Jun/12/Investor-Presentation-June-2026.pdf))
- **Notable Investors/Partners**: BMW Group, Ford Motor Company, Hyundai, Samsung SDI, SK On, SK Innovation, Volta Energy Technologies, Umicore, A123 Systems, Sanoh, Solvay. (Sources: [jobs page](http://job-boards.greenhouse.io/solidpower) and [investor relations](https://solidpowerbattery.com/))
- **Growth Signals**: ~230 employees; pilot cell production lines in Louisville, CO; 30 MT annual electrolyte capacity (expanding to 75 MT by end of 2026); BMW has licensed cell technology and introduced an i7 test vehicle with Solid Power cells; SK On commissioned a pilot cell line in South Korea; over 25 issued US patents and ~100 pending US patent applications. (Source: [investor presentation](https://s202.q4cdn.com/841762012/files/doc_presentations/2026/Jun/12/Investor-Presentation-June-2026.pdf))

## Competitive Advantages
- **Sulfide-based solid electrolyte** – best balance of ionic conductivity and processability for mass production on existing Li-ion equipment.
- **Capital-light partner model** – supplies electrolytes and licenses cell technology rather than building gigafactories, reducing risk.
- **Integrated electrolyte-and-cell feedback loop** – rapid chemistry improvements and de-risked customer adoption.
- **Strong IP portfolio** (25+ issued US patents, 100+ pending, plus trade secrets).
- **Strategic partnerships** with global automotive and battery leaders (BMW, Ford, SK On, Samsung SDI) providing validation and commercialization pathways.

## Strategic Focus
- **Scaling electrolyte production** – expanding pilot capacity (30→75 MT/year) and validating continuous manufacturing processes.
- **Commercial readiness by 2027+** – targeting commercial-scale electrolyte production in South Korea via partner-enabled pathways.
- **Deepening ecosystem integration** – cell technology licensed by BMW and SK On; evaluation agreements with Samsung SDI.
- **Capital-light growth** – 2026 cash investment expected at $85M–$100M (down from prior years), preserving strong balance sheet.

## Why Work Here
- **Collaborative culture**: Described as “highly collaborative, based on trust and mutual respect” with “honest and transparent communication.” (Source: [careers page](https://solidpowerbattery.com/careers/))
- **Purpose-driven work**: Employees are “passionate about building a green, sustainable future” through revolutionary battery technology. (Source: [jobs page](http://job-boards.greenhouse.io/solidpower))
- **Engineering excellence**: Team of “incredibly talented and creative engineers and scientists” who take pride and ownership in their work. (Source: [careers page](https://solidpowerbattery.com/careers/))
- **Locations**: Offices/labs in Louisville, CO (HQ) and Thornton, CO; also a small office in Seoul, South Korea. Remote/hybrid policy not specified, but roles appear onsite (Production Operator I/II, Scientific SW Engineer, Maintenance Engineering Manager).
- **Perks**: Not explicitly listed, but working at a publicly traded, well-funded ($435M liquidity) deep-tech company with major automotive partners offers strong growth opportunities and mission-driven impact.

## Sources
1. [solidpowerbattery.com/careers](https://solidpowerbattery.com/careers/)
2. [job-boards.greenhouse.io/solidpower](http://job-boards.greenhouse.io/solidpower)
3. [solidpowerbattery.com/about/company-profile](https://www.solidpowerbattery.com/about/company-profile/default.aspx)
4. [solidpowerbattery.com (homepage/IR)](https://solidpowerbattery.com/)
5. [Investor Presentation June 2026 (PDF)](https://s202.q4cdn.com/841762012/files/doc_presentations/2026/Jun/12/Investor-Presentation-June-2026.pdf)

## Other roles at Solid Power

- [Catholyte R&D Senior Scientist](https://feeny.ai/job/catholyte-r-d-senior-scientist-solid-power-louisville-9wtqswnp9kx1) — Louisville, CO
- [Senior Executive Assistant](https://feeny.ai/job/senior-executive-assistant-solid-power-thornton-0zr50x6y43xh) — Thornton, CO
- [Quality Lab Manager](https://feeny.ai/job/quality-lab-manager-solid-power-thornton-4zc55fhqbhbm) — Thornton, CO
- [Senior Environmental Health and Safety Specialist](https://feeny.ai/job/senior-environmental-health-and-safety-specialist-solid-power-thornton-8vv6p673wyny) — Thornton, CO
- [Senior Product Engineer](https://feeny.ai/job/senior-product-engineer-solid-power-thornton-aq58e0a3wt6s) — Thornton, CO
- [Production Operator I/II](https://feeny.ai/job/production-operator-i-ii-solid-power-thornton-x28rgwb8c57a) — Thornton, CO