Heat olive oil in a large pot over medium heat.
Add chopped onion and cook until translucent.
Add minced garlic and cook for another minute.
Stir in chopped red bell pepper and corn kernels, cook for 5 minutes.
Add ground cumin and chili powder, cook for another minute.
Pour in vegetable broth and diced tomatoes, bring to a boil.
Reduce heat and simmer for 20 minutes.
Add black beans and lime juice, cook for another 5 minutes.
Season with salt and pepper to taste.
Serve hot, topped with crushed tortilla chips.