You may wish to search in databases to find articles (whether scholarly articles or more popular, accessible articles from magazines or newspapers) on your topic.
You may want to start your search for background information by looking up your general topic (such as 'superconductivity' or 'batteries') in one of the reference sources listed below.
You can search the Collins Library Catalog to find books and ebooks on your topic; below are a few examples of books that you might find!